Set the basics: temperature, timing, and a thermometer
Keep your refrigerator at 40°F (4°C) or below and the freezer at 0°F (-18°C). Put a fridge thermometer where you can see it. Perishable food should be refrigerated within 2 hours of cooking or delivery — shorten that to 1 hour when ambient temperature is above 90°F (hot cookouts, a summer car ride, etc.).
Actionable cheat sheet: quick storage times and what to ask
- Leftovers (cooked meat, casseroles, pizza): 3–4 days in the fridge.
- Cooked poultry: 3–4 days.
- Raw poultry and ground meat: 1–2 days.
- Whole cuts of beef, pork, lamb (steaks, chops, roasts): 3–5 days.
- Fresh fish and shellfish: 1–2 days; smoked fish 1–2 days.
- Eggs in shell: 3–5 weeks from purchase when refrigerated.
- Hard cheese (cheddar, Parmesan): several weeks after opening; soft cheeses (brie, fresh mozzarella) about 1 week.
- Milk: generally 5–7 days after opening or by the use-by date, whichever comes first.
- Opened deli meats and cold cuts: 3–5 days.
- Condiments (mayonnaise, ketchup, soy sauce): most are safe for weeks to months once opened, but check labels.
Questions to ask someone before eating their food: "When was this cooked or opened? Please write the date on the container." A good answer: "I made this on 9/10 and put it in the fridge right away." A bad answer: "I think I made it a few days ago, not sure when." If you get the bad answer, treat it as expired for safety.
Exactly how to store leftovers — the order of operations
- Cool hot food slightly, then divide into shallow containers within 2 hours to speed chilling.
- Seal or cover tightly; label with date cooked and contents.
- Place on a middle shelf, not the door — the door is the warmest spot.
- Eat or freeze within the guideline window (see cheat sheet above).
Say this to a housemate when storing shared food: "Date it like this: ‘Cooked 09/10.’ If it’s older than 4 days, toss it or freeze it right away."
Storage location matters: why top, middle, bottom, and door differ
Cold air sinks. The coldest spots are the back of the bottom shelf and the bottom drawers for meat/vegetables, so store raw meats on the lowest shelf on a tray to prevent drips. Use the middle shelves for ready-to-eat foods and leftovers. The door moves temperature more with opening and closing — place condiments and shelf-stable items there, not milk or eggs if you can avoid it. Bags of greens and vegetables do better in a crisp drawer where humidity can be controlled.
Meat, poultry, seafood, and trade-offs
Raw ground meat and poultry spoil faster because they have more exposed surface area: treat them as 1–2 day items. Whole cuts last 3–5 days. Cooked meat is safe 3–4 days. Seafood is the most perishable: plan on 1–2 days. Freezing stops bacterial growth but affects texture and flavor: ground meat freezes well for quality for about 3–4 months, steaks can keep 6–12 months for quality. If you wait to freeze until the third day in the fridge you’ve shortened usable quality and increased risk.
When someone at a restaurant or a meal-share says, "It’s been in the fridge for a few days," a good, responsible response is: "Can you tell me the exact date you cooked or opened it?" A bad response is vague or evasive — treat vagueness as a reason to decline.
Freezing, thawing, sniff tests, and when to throw it out
Freeze when you know you won't eat something within the fridge window. Label with date and name. Thaw safely in the refrigerator (allow a day for most items) or under cold running water if you need it faster; you can cook directly from frozen for many items. Relying on smell or appearance alone is unreliable — some pathogens don't change odor or look. When in doubt, throw it out.
If you suspect foodborne illness, contact your healthcare provider or local health department for advice.
Final checklist to act on now
- Set fridge to 40°F (4°C) and place a visible thermometer.
- Date-label all leftovers immediately: "Cooked MM/DD."
- Use or freeze leftovers within 3–4 days; freeze raw ground and cooked leftovers within 1–3 days for best quality.
- Store raw meats on the bottom shelf on a tray; keep dairy away from the door.
- If someone can’t give an exact date for a refrigerated item, don’t eat it.