How Long Do Leftovers Last? The 3 To 4 Day Rule Explained

You cooked on Sunday. It is now Thursday. The container looks good. It smells good. You eat it anyway, and an hour later you realize the mistake. The 3-4 day rule for leftovers is not a conservative guideline invented by overly cautious government agencies. It’s based on documented bacterial growth rates, and the most dangerous thing is that the bacteria responsible for most leftover illnesses produce no odor, no visible mold, and no texture changes before reaching levels that make you sick.

How long do leftovers last?

The short answer: Most cooked leftovers last 3 to 4 days in the refrigerator and 2 to 6 months in the freezer, according to the USDA Food Safety and Inspection Service. The 3 to 4 day rule applies to virtually all cooked meals: chicken, beef, fish, pasta, soups, rice, pizza and stews. A small number of items vary slightly, and the type of container and how quickly you refrigerated the food affect the actual shelf life during this window.

For storage tips on specific ingredients before they become leftovers, check out our Food Storage Guide. For how quickly specific ingredients spoil before cooking, see 15 Foods That Go Bad Faster Than You Think.

📋 How long do leftovers last: at a glance

🍗 Cooked chicken or turkey 3 to 4 days in the refrigerator 🥩 Cooked beef, pork, lamb 3 to 4 days in the refrigerator 🐟 Cooked fish and seafood 3 to 4 days in the refrigerator 🍕Pizza 3 to 4 days in the refrigerator 🍝 Cooked pasta 3 to 5 days in the refrigerator 🍚 Cooked rice 3 to 4 days in the refrigerator (recommended) 🥣 Soup and stew 3 to 4 days in the refrigerator 🥔 Mashed potatoes 3 to 5 days in the refrigerator 🔑 Key takeaways

The USDA says 3 to 4 days for most cooked leftovers in the refrigerator. It’s not conservative: it’s based on how quickly harmful bacteria multiply at refrigerator temperatures. Most bacteria that cause food poisoning from leftovers (Listeria, Salmonella, some strains of E. coli) produce no detectable odor, no visible mold, and no color change. Looking and smelling good is not proof of safety beyond day four. The 2 hour rule matters as much as the 4 day rule. Foods left at room temperature for more than 2 hours (1 hour above 90 degrees Fahrenheit) have already entered dangerous territory. Refrigerating it afterwards does not undo the bacterial growth that has occurred. Freezer storage is safe indefinitely at 0 degrees Fahrenheit. Quality declines over time: most cooked meals are best eaten within 2 to 3 months for their texture and flavor. Reheating leftovers does not reset the 3-4 day clock. If the chicken has been in the fridge for 3 days and you reheat half of it, the other half is still only safe for 1 more day, not 3-4 more. Why 3 to 4 days, not 7 Refrigeration slows bacterial growth but does not stop it. Even at 40 degrees Fahrenheit, the pathogens that cause foodborne illness continue to multiply, only slightly slower than at room temperature. After 3 to 4 days, bacteria counts in refrigerated cooked foods can reach levels that cause illness in healthy adults. For high-risk groups, including the elderly, young children, pregnant women, and anyone who is immunocompromised, the risk arrives earlier.

🔬 Why you can’t sense danger
The bacteria that cause most leftover illnesses are not the same bacteria that make food smell bad. Spoilage bacteria (those that make food smell sour or look moldy) are largely harmless. Pathogenic bacteria (the ones that make you sick) are an entirely different group, and many of them produce no odor, no color change, and no visible signs of their presence. This is why the USDA and Mayo Clinic explicitly warn against the “sniff test” as a safety method for leftovers. A leftover that smells perfectly fine on day five may still contain dangerous levels of Listeria or Salmonella.

How long do specific leftovers last? All refrigeration times below assume the food has been refrigerated within 2 hours of cooking, stored at 40 degrees Fahrenheit or colder, and stored in a sealed airtight container. All figures come from USDA FoodKeeper and USDA FSIS guidelines unless otherwise noted.

Cooked chicken and turkey Cooked chicken and turkey last 3 to 4 days in the refrigerator, according to USDA FoodKeeper. This applies to roasted, grilled, baked, poached or fried preparations, whether the meat is whole, sliced, shredded or mixed into a dish. Chicken salad mixed with mayonnaise also follows the 3-4 day rule, with the added caveat that the mayonnaise component is independently time sensitive.

⚠️ Holiday turkey: plan to freeze it
USDA FoodKeeper places cooked turkey in the same 3-4 day window as cooked chicken. The practical risk with holiday turkey is not the timing itself but the time that passes before refrigeration. Turkey that has been carved and held at serving temperature for 2 to 3 hours before being refrigerated has a significantly shorter shelf life than the full 3 to 4 days. The USDA recommends refrigerating carved turkey within 2 hours of cooking. If you have more than you will eat in 3 days, freeze it the night of the meal.

Freezer: 4 months for cooked chicken. 2 to 6 months for cooked turkey. OUR teriyaki pork bowls And steak tacos both work well with leftover cooked proteins used in the first 2-3 days.

Cooked beef, pork and lamb Cooked beef, pork and lamb will keep for 3 to 4 days in the refrigerator. This covers steaks, roasts, chops, meatloaf, meatballs and mixed dishes in which these meats make up the main protein. Cooked ground meat follows the same 3 to 4 day rule. Meats covered in sauce or broth also fall under the 3-4 day window, as does the meat itself.

Freezer: 2 to 3 months for cooked meat dishes. OUR classic meatloaf freezes well in individual slices for up to 3 months. OUR Greek pork loin is another dish where it’s best to use leftovers within 3 days or freeze them.

Cooked fish and seafood Cooked fish and seafood will keep for 3 to 4 days in the refrigerator. However, because fish continues to develop stronger odors even after cooking, as the proteins break down further, most people find it noticeably less pleasant by the third day. The quality window is shorter than the safety window. Cooked shrimp, crab and lobster follow the same 3-4 day rule.

Freezer: 3 months for cooked fish. OUR tuna toast, BBQ Shrimp TacosAnd corn chowder with clams It is best to consume them fresh or within 2 days for optimal quality.

Pizza Leftover pizza will keep for 3 to 4 days in the refrigerator. This applies to all types of crusts and toppings. Pizzas topped with meat (sausage, pepperoni, ham) should not be postponed beyond the fourth day.

✅ Reheating tip
Leftover cold pizza left on the counter while you wait for the oven to preheat is OK for up to 30 minutes. Don’t leave it any longer. For crispier reheating, pan over medium heat for 2 to 3 minutes covered beats microwave each time. Pizza left on the counter overnight should be thrown away: it will have spent more than 2 hours at room temperature.

Freezer: 1 to 2 months. Freeze individual slices separated by parchment paper and reheat directly from the freezer in a 375 degree oven.

Cooked pasta Cooked pasta lasts 3 to 5 days in the refrigerator when stored without sauce, according to USDA FoodKeeper. Pasta stored with sauce lasts 3 to 4 days, limited by the sauce component rather than the pasta itself. Pasta cooked plain after 5 days is above all a question of quality: it can be gummy or dry, but generally does not pose a food safety problem if stored correctly. Pasta combined with meat, seafood or a dairy-based sauce should always be treated as a 3-4 day food. See does pasta go bad for complete advice.

Freezer: Pasta in sauce can be frozen for 2 to 3 months. Plain pasta alone does not freeze well: it becomes mushy after defrosting. Freeze the sauce separately and cook the fresh pasta when you’re ready to eat. See our foods you should never freeze guide for explanation.

Cooked rice Cooked rice lasts 3 to 4 days in the refrigerator as a recommended safe limit, although the USDA FoodKeeper says the time can be up to 4 to 6 days under ideal storage conditions. Given the specific food safety risk associated with rice, the conservative guideline of 3 to 4 days is the correct one to follow. Rice carries a risk that most people are unaware of: Bacillus cereus, a bacteria whose spores survive cooking and can produce toxins if cooked rice cools slowly or is improperly stored. For this reason, rice should be treated with more care than other cooked starchy foods, not less. See does rice go bad for complete advice.

⚠️ The rice rule
Cool cooked rice quickly and refrigerate it within 1 to 2 hours after cooking. Never leave cooked rice in a covered pot on the stove overnight: room temperature is ideal for the production of Bacillus cereus toxins. Reheat the rice to 165 degrees Fahrenheit before eating. Do not reheat cooked rice more than once.

Freezer: 1 to 2 months for cooked rice.

Soup and stew The soup and stew will keep for 3 to 4 days in the refrigerator. This also applies to broth-based, tomato-based, cream-based, and bean-based soups. A large pot of soup takes a long time to cool in the refrigerator, which can leave the center in the danger zone (40 to 140 degrees Fahrenheit) for long periods of time. The USDA recommends dividing large quantities of soup into shallow containers before refrigerating so the temperature drops quickly.

✅ The cooling solution
Divide the soup into containers of e maximum depth of 2 to 3 inches before refrigerating. For a large quantity, place containers in a sink with ice water for 15 to 20 minutes before putting them in the refrigerator. This drops the temperature across the danger zone in minutes rather than hours. OUR tortilla soup, red lentil soupAnd corn chowder with clams it all freezes well for up to 3 months if you make a large batch.

Freezer: 2 to 3 months for most soups and stews. Cream-based soups freeze best without the cream: add crème fraîche when reheating.

Mashed potatoes and potato dishes Mashed potatoes will keep for 3 to 5 days in the refrigerator. For complete tips on storing potatoes, see do potatoes go bad. Roasted or baked potato chunks last 3 to 4 days. Potato salad with mayonnaise is a stricter case: the combination of cooked potato, mayonnaise and often eggs means 3 to 4 days maximum. Potato salad served at room temperature for more than 2 hours should be discarded rather than refrigerated.

See also

Freezer: Mashed potatoes made with butter and cream can be frozen for 2 to 3 months. Cubed or roasted potatoes do not freeze well: they become floury and waterlogged after defrosting.

Casseroles and Mixed Dishes Casseroles, oven dishes, stir-fries, curries and other mixed dishes will keep for 3 to 4 days in the refrigerator. Shelf life is always determined by the most perishable ingredient. A vegetable casserole with cream sauce is limited by cream. A dish of chicken and rice is limited by the chicken. If in doubt, apply the 3 to 4 day rule regardless of the contents of the dish. OUR crustless vegetarian quiche, spinach and artichoke dipAnd Greek meze platter are all dishes where it is best to finish leftovers within 3 days.

Freezer: 2 to 3 months for most casseroles and mixed dishes.

Chinese Takeout and Restaurant Leftovers Restaurant leftovers follow exactly the same rules as home-cooked meals: 3 to 4 days in the refrigerator. Restaurant origin does not extend safe storage time. Factor in the time food has spent in transit and at room temperature before refrigeration: This time counts toward the 2-hour rule and accordingly reduces the remaining safety window.

Rules that matter as much as shelf life The 2 hour rule Refrigerate leftovers within 2 hours of cooking or serving. If the ambient temperature is above 90 degrees Fahrenheit (an outdoor grill, a hot car), this window drops to 1 hour. Foods left in the danger zone longer have already accumulated bacterial growth that refrigeration will not destroy. The USDA is explicit on this: perishable foods left at room temperature for more than 2 hours should be thrown out.

⚠️ Common mistake
Many people wait for foods to cool to room temperature before refrigerating them, believing that putting hot foods in the refrigerator is harmful to the refrigerator or other foods. The USDA says this is unnecessary and can make food unsafe. Hot foods can go straight to the refrigerator. Leave one corner of the lid ajar until the food cools, then close it. Modern refrigerators handle hot foods with no problem. Waiting on the counter is a dangerous step.

The container rule Leftovers should be stored in airtight containers or tightly wrapped. Loose packaging or an uncovered dish allows bacteria from the refrigerator air to reach the food, accelerates moisture loss and allows odors to transfer between foods. Glass or hard plastic containers with tight-fitting lids are ideal. Divide large quantities into smaller, shallow containers (no more than 2 to 3 inches deep) so foods cool quickly and evenly.

The rule of reheating Always reheat leftovers to an internal temperature of 165 degrees Fahrenheit, measured with a food thermometer. For soups and sauces, bring to a full boil. Cover when reheating to retain moisture and ensure even heat distribution. When using a microwave, turn or stir halfway through cooking to remove cold spots, then let food rest for 2 minutes before checking the temperature: heat continues to diffuse during the resting time.

The one-time reheat rule Reheat leftovers only once. Each heating and cooling cycle creates additional opportunities for bacterial growth and toxin production, especially in rice and grain dishes. If you have reheated a dish and have portions left over, throw them away rather than refrigerating them and reheating them again.

Complete Leftover Shelf Life Chart Food Refrigerator (40°F) Freezer (0°F) Cooked chicken or turkey (pieces) 3 to 4 days 4 months Cooked beef, pork, lamb (steaks, roasts, chops) 3 to 4 days 2 to 3 months Cooked minced meat 3 to 4 days 2 to 3 months Cooked fish and seafood 3 to 4 days 3 months Pizza 3 to 4 days 1 to 2 months Cooked pasta (plain, without sauce) 3 to 5 days Not recommended Cooked pasta (with sauce or protein) 3 to 4 days 2 to 3 months Cooked rice 3 to 4 days (recommended) 1 to 2 months Cooked grains (quinoa, farro, oats) 3 to 5 days 1 to 2 months Soup and stew 3 to 4 days 2 to 3 months Mashed potatoes 3 to 5 days 2 to 3 months Casseroles and mixed dishes 3 to 4 days 2 to 3 months Egg dishes (quiche, frittata, scrambled) 3 to 4 days 2 to 3 months Potato salad (with mayonnaise) 3 to 4 days Not recommended Cooked vegetables 3 to 4 days 2 to 3 months Sauce (stand-alone, homemade) 1 to 2 days 2 to 3 months Meats in sauce or broth 3 to 4 days 6 months Source: USDA Food Safety and Inspection Service, USDA FoodKeeper, FoodSafety.gov

Frequently Asked Questions How long do leftovers last in the refrigerator?
Most cooked leftovers last 3 to 4 days in the refrigerator, according to the USDA Food Safety and Inspection Service. This applies to chicken, beef, fish, pasta, soup, rice, pizza and cooked stews. Plain cooked pasta and mashed potatoes can last up to 5 days, but 3 to 4 days is the safe standard for virtually all cooked meals containing protein.

How long does cooked chicken last in the refrigerator?
Cooked chicken will last 3 to 4 days in the refrigerator, according to USDA FoodKeeper. This applies to all preparations: roasted, grilled, baked, fried or poached, whether whole, sliced or grated. Chicken in a mixed dish (soup, casserole, stir-fry) also follows the 3 to 4 day rule. Freeze cooked chicken for up to 4 months if you don’t use it within that time frame.

How long do leftover pizza last?
Leftover pizza will keep for 3 to 4 days in the refrigerator. Store the slices in an airtight container or tightly wrapped to prevent the rind from drying out and the cheese from absorbing odors from the refrigerator. Reheat with steam throughout. Pizza left on the counter overnight should be thrown away: it will have spent more than 2 hours at room temperature.

How long does cooked rice last in the refrigerator?
Cooked rice can be stored safely for 3 to 4 days in the refrigerator, within the recommended conservative limit. USDA FoodKeeper lists up to 4 to 6 days in ideal storage, but given the specific Bacillus cereus risk of rice, 3 to 4 days is the right guideline to follow. Cool the rice quickly, refrigerate it 1 to 2 hours after cooking, and reheat it to 165 degrees Fahrenheit before eating. Do not reheat cooked rice more than once. See does rice go bad for complete advice.

How long does soup last in the refrigerator?
Homemade soup will keep for 3 to 4 days in the refrigerator. To cool it safely, divide it into shallow containers (2 to 3 inches deep) before refrigerating so the temperature drops quickly. A large pot left whole can remain in the danger zone at its center for hours. Freeze the soup for 2 to 3 months for longer storage. It is best to freeze cream-based soups without the cream component: add crème fraîche when reheating.

How long do leftover ham last?
Cooked ham will last 3 to 4 days in the refrigerator, according to USDA FoodKeeper. This applies to baked, glazed or sliced cooked ham. Ham in a casserole or mixed dish follows the same 3 to 4 day rule. Freeze cooked ham for 1 to 2 months. For full guidance, see does ham go bad And how long can you keep ham in the refrigerator.

Can you eat leftovers after 5 days?
For most cooked meals, no. The USDA says 3 to 4 days for the vast majority of cooked leftovers. By the fifth day, the number of bacteria in many cooked foods can reach disease-causing levels in healthy adults, and the risk is higher for vulnerable groups. Food can look and smell normal while harboring dangerous levels of bacteria. When in doubt, throw it away.

Does reheating leftovers reset the 3-4 day clock?
No. Reheating does not reset the storage clock. If the chicken has been in the fridge for 3 days and you reheat half of it, the other half will have 1 day left, not another 3-4 days. Reheating kills the bacteria present at the time but does not reverse the degradation that has already occurred or prevent the bacteria from multiplying again during the next cooling cycle.

Is it OK to eat cold leftovers without reheating them?
It depends on the food. Cold leftovers that are safe to eat cold (cooked pasta salad, cold roast chicken, leftover pizza) can be eaten without being reheated as long as they are within the 3-4 day window and have been properly stored. For meat, poultry, seafood, egg dishes and stews, the USDA recommends reheating to 165 degrees Fahrenheit before eating, especially for high-risk groups. Eating these cold foods is not automatically dangerous if they have been stored properly , but warming them to 165 degrees eliminates the residual risk.

How do you know if leftovers have gone bad?
Sometimes you can’t tell without checking the date, because many dangerous bacteria produce no odor, no mold, and no visible changes. Obvious signs that leftovers are spoiled include a sour or unpleasant smell, any visible mold (including small spots), a slimy texture on the meat or poultry, and unusual discoloration. If leftovers have been sitting in the refrigerator for more than 4 days, regardless of their appearance, throw them away.

Can you put hot food directly in the refrigerator?
Yes. The USDA says hot foods can be placed directly in the refrigerator. The old advice of letting food cool on the counter first is outdated and potentially dangerous: Cooling to room temperature keeps food in the danger zone longer than necessary. Hot foods can go straight to the refrigerator. Leave one corner of the lid ajar until the food cools, then close it. Modern refrigerators handle hot foods with no problem.

How long do leftover Chinese takeout last?
Chinese takeout and any restaurant leftovers follow the same rules as home-cooked meals: 3 to 4 days in the refrigerator. Restaurant origin does not extend safe storage time. Consider how long food has been in transit and at room temperature before refrigerating: this time counts toward the 2-hour rule and reduces the remaining safety window.

How long can leftovers stay at room temperature?
No more than 2 hours at typical room temperature (below 90 degrees Fahrenheit). Above 90 degrees Fahrenheit, the limit drops to 1 hour. After 2 hours in the danger zone (40 to 140 degrees Fahrenheit), bacteria in perishable foods can multiply to dangerous levels. Refrigerate promptly or discard.

How long do leftovers last in the freezer?
Frozen leftovers are safe indefinitely at 0 degrees Fahrenheit, because freezing completely stops bacterial growth. Quality decreases over time. For best texture and flavor: chicken cooked 4 months, beef or pork cooked 2 to 3 months, soup 2 to 3 months, stews 2 to 3 months, rice cooked 1 to 2 months. Label everything with the date before freezing.

At what temperature should you reheat leftovers?
Any leftovers should be reheated to an internal temperature of 165 degrees Fahrenheit, according to the USDA. Use a food thermometer to check. Soups, sauces and gravies should be brought to a full boil. In the microwave, stir or rotate halfway through cooking to remove cold spots, then let food sit for 2 minutes before checking the temperature.

How long do leftover mashed potatoes last?
Mashed potatoes will keep for 3 to 5 days in the refrigerator. Store in an airtight container. Mashed potatoes made with butter and cream freeze well for 2 to 3 months: reheat them gently with a little cream or milk to restore consistency. Mashed potatoes made only with milk may become slightly sticky after freezing.