How to Meal Prep
Meal prep a week of lunches and dinners. Plan three or four meals, batch cook them, chill each food within 2 hours, and freeze what you will not eat within 3 days.
You will end up with a week of lunches and dinners cooked in one session, portioned into containers, and split between the refrigerator and the freezer so that nothing is kept longer than it stays safe.
Two food-safety limits shape the whole plan. Cooked food goes into the refrigerator within 2 hours of coming off the heat, and it keeps there for 3 to 4 days, so the meals for the end of the week go into the freezer. Both limits come from USDA's guidance on leftovers, and the steps apply them as you go.
What you save depends on what you spend now. The Bureau of Labor Statistics put average spending on food away from home at $3,945 in 2024. That figure is per consumer unit, which is the BLS term for the people in a household who share expenses, so one person's share of it is smaller than the headline. Meal prep cuts into that number only for the takeout meals it replaces.
The steps use chicken, rice, and roasted vegetables as the example, and they work the same way for meals you already know how to cook.
Containers with tight lids that are labeled for the microwave and the freezer, and shallow enough that food cools quickly. Lunches and dinners for one person for 5 days take 10, plus a few small ones for sauces and dressings. A food thermometer. Two cutting boards, one for raw meat and one for vegetables, a sharp knife, a large baking sheet, and a few pots or pans. Labels or tape and a marker. A rice cooker is optional.
Plan three or four meals for the week
You do not need a different meal every night. Three or four meals, rotated through the week, give enough variety without a long cooking session. Pick one protein-heavy meal (chicken thighs, ground turkey, beans), one grain-based meal (stir fry over rice, pasta with vegetables), and one flexible option (soup, salad, or wraps). Choose meals you already know how to cook, because a new recipe takes longer than a familiar one. Write down each meal and how many servings you need. Lunches and dinners for one person for 5 days come to 10 servings. Then mark which servings you will eat in the first 3 days and which come later. The first group goes in the refrigerator and the second in the freezer (step 7). Plan the later meals around dishes that freeze, such as soups and stews, and not around salads or cream sauces (FAQ 4 below).
Write a grocery list organized by store section
Go through each recipe and list every ingredient you need, with quantities. Then organize the list by store section (produce, proteins, dairy, grains, canned goods), so you walk each aisle once. Check your fridge and pantry first, and cross off the oil, salt, pepper, and spices you already have. Decide which day you will cook before you buy raw meat. USDA's cold storage chart gives raw chicken, turkey, and ground meat only 1 to 2 days in the refrigerator, so freeze any you will not cook within that time. With that settled, compare the price per pound across cuts and pack sizes, and buy the larger pack when it is on sale. In the cart and in your bags, keep raw meat and poultry apart from the other food.
Good to know: Stick to your list. If something looks good but is not on the list, write it down for next week's plan.
Block out the session and plan its order
Block out one continuous stretch for cooking. Start with 2 hours for three meals. That is a starting figure, so time your first session and adjust the next one. The day itself does not matter. If your plan includes dried red kidney beans, start soaking them at least 5 hours before the session, or buy canned (step 4). Before you start cooking, read through all your recipes and work out what can happen at the same time. While rice cooks on the stove, chicken can roast in the oven, and while both are going, you can chop the vegetables. Set one rule before the first pan goes on. Each food goes into shallow containers and into the refrigerator as soon as it is cooked, not at the end of the session. Cooked food has to be refrigerated within 2 hours, or within 1 hour if the room is above 90°F, and food that finishes early in a 2-hour session is close to that limit by the time you have cleaned up. Clear a shelf in the refrigerator now, and check that it is running at 40°F (4°C) or below. If it has no temperature display, put an appliance thermometer on the shelf.
Batch cook your proteins first
Start the proteins first, so the oven is working while you do everything else. Use one cutting board for raw meat and poultry and another for vegetables, and wash your hands, the board, and the knife with hot, soapy water after they touch raw meat. Season chicken thighs and put them in the oven at 400°F for 25 to 30 minutes. Treat the time as a guide and the temperature as the answer, because USDA asks for all poultry to reach an internal temperature of 165°F, measured with a food thermometer. Brown ground turkey in a large skillet with your preferred seasoning, and take it to 165°F as well. If your plant-based protein is dried red kidney beans, do not simmer them gently or put them in a slow cooker raw. Illinois Extension's advice is to soak them for at least 5 hours, pour that water away, and boil them briskly in fresh water for 30 minutes, because undercooked kidney beans carry a toxin that can make you sick. Canned beans are already cooked. Cook the protein plain or with simple seasoning so it works across several meals. Chicken thighs seasoned with salt, pepper, garlic powder, and paprika can go in a grain bowl, a wrap, a salad, or a stir fry. Add the sauce when you eat each meal, so the same chicken does not taste the same every day. When each protein is cooked, portion it into shallow containers and refrigerate it, then carry on with the rest.
Cook your grains and starches
While the proteins cook, start your rice, pasta, or potatoes. Cook a large batch of rice on the stove or in a rice cooker. Boil a pound of pasta and toss it with a tablespoon of olive oil so it does not clump in the fridge. Roast a sheet pan of cubed sweet potatoes alongside your chicken if there is room in the oven. The 3 to 4 days in the refrigerator cover the rice, the pasta, and the potatoes alike, so the portions for later in the week go in the freezer (step 7). Be strictest with rice. It can carry Bacillus cereus spores that survive cooking, so get it into shallow containers and into the refrigerator as soon as it is cooked. The UK's Food Standards Agency goes further than USDA on rice. It says to chill it ideally within 1 hour, keep it in the fridge for no more than 1 day, and never reheat it more than once. Our guide to cooking rice sets out both sets of advice. To follow the stricter one, freeze the rice portions you will not eat the next day. While the grains cook, make a small staple such as simple syrup for the week's iced coffee.
Wash, chop, and prep your vegetables
Rinse your produce under running water, without soap, and skip anything labeled pre-washed. Chop on the vegetable cutting board, not the one that held raw meat. Cut bell peppers, onions, carrots, broccoli, and whatever else your recipes call for. Store raw vegetables that will be cooked later in containers or zip-lock bags in the refrigerator. For salads, wash and dry the greens but do not add dressing until you are ready to eat, because dressed greens go soggy. Roast the vegetables you plan to eat hot. Once the chicken is out, turn the oven up to 425°F, toss broccoli, Brussels sprouts, zucchini, or cauliflower with olive oil, salt, and pepper, and roast them for 20 minutes.
Good to know: Keep sauces and dressings in small separate containers. Sauce added during prep soaks into the food as it sits. Kept separate, it goes on when you eat each meal.
Portion, label, and store the meals
Portion each food as it finishes, following the rule from step 3, and build the meals in the containers. Give each one a serving of protein, a serving of grains or starch, and a serving of vegetables. Do not leave cooked food on the counter to cool first. USDA says hot food can go straight into the refrigerator, and that the way to cool a large batch quickly is to divide it into shallow containers. To take the heat out faster, set the closed container in an ice or cold water bath before it goes in, which the same guidance allows. Label each container with the meal and the date you cooked it. Put the meals for the first 3 days in the refrigerator, on a shelf and not in the door. Put the rest in the freezer the same day. A meal cooked on Sunday reaches the 3-to-4-day limit on Wednesday or Thursday, which is why Thursday's and Friday's meals are frozen. Move a frozen meal to the refrigerator the night before you plan to eat it. If it is still frozen at mealtime, reheat it from frozen, which is safe and takes longer. Reheat every meal until it reaches 165°F (74°C). In a microwave, stir the food and check more than one spot, because microwaves leave cold spots.
Start with one session this week, with three meals you already know how to cook, and time it. Use that time to set the block in step 3 for the following week. If a meal has been in the refrigerator for more than 4 days, or a container sat at room temperature for more than 2 hours, throw it away, because food past either limit can look and smell normal. If a frozen meal comes out dry or mushy, swap that dish for one that freezes better (FAQ 4 below). If food is soggy by midweek, keep the sauce and the dressing in their own containers (step 6). If you want a batch that cooks itself while you do something else, our guide on how to use a slow cooker covers the settings and the food-safety rules.
Questions we get asked about this
Answers from experience, not a textbook.
Plan on 3 to 4 days. That is USDA's limit for leftovers in a refrigerator at 40°F (4°C) or below, and its cold storage chart gives the same 3 to 4 days for cooked meat and poultry, for soups and stews, and for chicken, tuna, egg, and macaroni salads. Hard-cooked eggs get 1 week. Rice is the one food with a stricter figure, the 1 day the UK's Food Standards Agency gives (step 5). Count from the day you cooked, using the date on the container, and freeze on cooking day anything you will eat later than day 3.
Keep it cold until you reheat it. Leave the container in the refrigerator until you walk out the door, and put it in a refrigerator at work if there is one. If there is not, USDA's advice for bag lunches is an insulated bag with at least two cold sources, such as two frozen gel packs, one above the food and one below it. The limit from step 3 applies on the way, so the meal should not sit at room temperature for more than 2 hours, or 1 hour above 90°F. When you reheat it in a microwave, cover the container, vent the lid, and heat the food to at least 165°F.
Use shallow containers with tight lids that are labeled for both the microwave and the freezer. Shallow matters because food cools fastest in a shallow layer (step 7). The microwave label matters because USDA's microwave guidance says to use only cookware made for microwave use. It lists heatproof glass and anything labeled for the microwave as safe, and margarine tubs, yogurt cartons, and other cold-storage tubs as not safe to heat food in. We recommend glass with snap-on lids, because it does not stain and it goes from the refrigerator to the microwave. If you use plastic, replace a container once it cracks, warps, or stops sealing.
Yes. Freeze anything you will not eat within 3 days, on the day you cook it. USDA gives frozen leftovers 3 to 4 months, and its chart gives soups and stews 2 to 3 months. Those figures are about quality. Food kept at 0°F (-18°C) stays safe indefinitely, and it loses moisture and flavor the longer it is stored. Mayonnaise, cream sauce, and lettuce are USDA's examples of foods that do not freeze well, so keep creamy sauces and salads out of the freezer meals. Leave a gap at the top of a container of soup or stew, because liquid expands as it freezes. Thaw in the refrigerator, never on the counter. Cold water and the microwave are the other two safe methods, and frozen leftovers can also be reheated without thawing. Eat a thawed meal within 3 to 4 days.
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