Slow cookers and food safety (2024)

Slow cookers and food safety (1)

A slow cooker or "crock pot" is a convenient portable electric appliance popular in today's kitchens. Slow cookers have several advantages. It's "all-day cooking without looking." They are economical to operate and a great way to tenderize less expensive and tougher cuts of meat (shoulder, round, and chuck).

Is a slow cooker a safe way to cook food?

Yes, if you use them correctly. The slow cooker cooks foods slowly at a low temperature, generally between 170and 280 degreesF, over several hours. The combination of direct heat from the pot, lengthy cooking and steam, destroys bacteria making the slow cooker a safe process for cooking foods.

How much liquid do I add?

Water or liquid is necessary to create steam. When cooking meat or poultry, the water or liquid level should cover the ingredients to ensure effective heat transfer throughout the crock. Some manufacturers of slow cookers recommend adding liquid to fill the stoneware 1/2 to 3/4 full. Follow the manufacturer's recipes and directions for best results.

Slow cooker food safety reminders

  • Research conducted by USDA FSIS indicates it's safe to cook large cuts of meat and poultry in a slow cooker. Follow the manufacturer's recipes and safety guidelines.
  • Start clean.Start with clean hands, utensils surfaces and a clean cooker.
  • Thaw first.Always thaw meat or poultry before putting it into a slow cooker. If frozen pieces are used, they will not reach 140 Fquick enough and could possibly result in a foodborne illness.
  • Preheat cooker.Preheat the cooker and add hot liquids, if possible. Preheating the crock before adding ingredients or cooking on the highest setting for the first hour will ensure a rapid heat start and will shorten the time foods are in the temperature danger zone. This is highly recommended when cooking meat or poultry in a slow cooker.
  • Slow cookers and food safety (2)

    Don't cook on warm.Do not use the warm setting to cook food. It is designed to keep cooked food hot.
  • Soak and boil dried beans first.Dried beans, especially kidney, contain a natural toxin. These toxins are easily destroyed by boiling temperatures. Soak beans for 12 hours, rinseand then boil on the stove top for at least 10 minutes before adding the beans to a slow cooker.
  • Put vegetables on the bottom or sides. Vegetables cook the slowest, so place them near the heat, at the bottom and sides of the slow cooker.
  • Keep the lid on. Do not lift the lid or cover unnecessarily during the cooking cycle. Each time the lid is raised, the internal temperature drops 10 to 15 degrees and the cooking process is slowed by 30 minutes.
  • Check with food thermometer. Before taking a bite, check meat and poultry with a food thermometer to make sure it has reached a safe internal temperate to destroy bacteria.
    • Roasts: 145 to 160 F.
    • Poultry: 165 F.
    • Soups, stews, sauces: 165 F.
  • Cool properly. Do not leave cooked food to cool down in the crock. Eat immediately or place leftovers in shallow containers and refrigerate.
  • Don't reheatin aslow cooker. Do not reheat food or leftovers in a slow cooker; instead reheat on stove top or microwave (165 F or above) and transfer to slow cooker to keep warm (140 F or above).

Suzanne Driessen, Extension educatorand Glenyce Peterson-Vangsness, former Extension educator

Reviewed in 2021

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Slow cookers and food safety (2024)

FAQs

Are slow cookers safe to eat from? ›

The low heat helps less expensive, leaner cuts of meat become tender and shrink less. The direct heat from the pot, lengthy cooking and steam created within the tightly-covered container combine to destroy bacteria and make the slow cooker a safe process for cooking foods.

What are the safety precautions for slow cookers? ›

Wash hands before and during food preparation. Keep perishable foods refrigerated until preparation time. If you cut up meat and vegetables in advance, store them separately in the refrigerator. The slow cooker may take several hours to reach a safe, bacteria-killing temperature.

Are slow cookers safe to leave on overnight? ›

Leaving a slow cooker on overnight is generally considered safe as long as it is used properly and in good working condition. Slow cookers are designed to cook food at a low temperature for an extended period of time, and they are built with safety features such as temperature controls and automatic shut-off functions.

Is it safe to leave the house with a slow cooker on? ›

Are slow cookers safe to leave on? Yes, it's safe to leave a slow cooker on when you leave the house. The purpose of a slow cooker is to allow you to cook while you aren't home. Slow cookers simmer food slowly, killing bacteria and raising meat to the perfect internal temperature.

Do slow cookers leach chemicals? ›

A crock pot can be toxic if it is made from toxic materials or use toxic glazes, colors or chemicals in any form. The different parts used in a crock pot unit must also be examined for they can leach toxins and/or release toxic off-gassing when heated.

What are the disadvantages of a slow cooker? ›

Food texture changes: Canned foods, such as vegetables, can become too mushy in a slow cooker. It's better to use them fresh or frozen. But, frozen veggies tend to make the texture of the dish more “watery”. Defrosting and draining the extra liquid before cooking can help minimize this.

Is it safe to put raw meat in a slow cooker? ›

Research conducted by USDA FSIS indicates it's safe to cook large cuts of meat and poultry in a slow cooker.

How can you test your slow cooker to make sure it is safe? ›

To test your slow cooker's heating capacity:

Heat the slow cooker covered on low for eight hours. Using a food thermometer, quickly check the temperature of the water as the temperature will drop when you remove the lid. The temperature of the water should be 185 °F.

Is cooking a turkey in a slow cooker safe? ›

Many slow cookers cannot accommodate large turkeys, so USDA recommended cutting-up a whole turkey into smaller pieces, or using store bought turkey parts. The parts should always be thawed before placing them into a slow cooker. DON'T start cooking foods from the frozen state.

Is it OK to leave meat in crockpot overnight? ›

The short answer: Yes. slow cookers are made to cook food for extensive periods of time (some can be left up to 24 hours).

Can I leave raw food in the slow cooker overnight? ›

The general rule of thumb is that 2-4 hours is the maximum length of time you can leave food in a slow cooker on warm. After this, it needs to be cooled and transferred into the refrigerator.

Can I sleep with slow cooker on? ›

Yes, you can leave your slow cooker on all day or overnight. However, if you are planning to leave your slow cooker on overnight, make sure it's on a low heat.

Is it safe to put a towel under a crockpot? ›

The best place to use a crockpot is on the kitchen counter. However, any heat-safe, flat surface will also suffice. Avoid setting your slow cooker on an uneven surface, and never place it near loose fabrics, including curtains, kitchen towels, or napkins.

How long can a slow cooker stay on warm? ›

The 'Warm' setting is ONLY for keeping already-cooked food at the perfect serving temperature until mealtime. To prevent food from dipping into temperatures that aren't food-safe, you shouldn't use the 'Warm' setting for more than 4 hours.

Does a slow cooker use a lot of electricity? ›

According to the Energy Saving Trust, a slow cooker is one of the most energy efficient kitchen appliances. On average, a slow cooker draws about the same amount of energy as a standard electric light bulb. This means that despite being on for a longer period of time, a slow cooker actually uses very little energy.

Do slow cooker liners leach chemicals? ›

Chemicals leaching from slow cooker liners

The toxic chemicals like BPA, phthalates and POPs found in plastic liners and food storage bags leach significantly more while cooking heat acts as a catalyst.

What foods should not go in a slow cooker? ›

10 Foods You Should Never Make in a Slow Cooker
  1. Raw Meat.
  2. Seafood.
  3. Pasta.
  4. Rice.
  5. Delicate Vegetables.
  6. Boneless Skinless Chicken Breasts.
  7. Dairy.
  8. Wine and Other Liquor.
Jan 19, 2024

What slow cookers have been recalled? ›

Sunbeam has recalled more than 940,000 Crock-Pot 6-Quart Express Crock Multi-Cookers. If not fully locked, the lid can detach during cooking, causing burn hazards.

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