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Slow cookers are great for busy families, but there are a few safety tips for using your slow cooker properly. By following this guide of safety tips when using a slow cooker, you can ensure that your slow-cooked meats, vegetables, and other dishes are perfectly cooked. 

We will also cover how to safely store the leftovers, cover how long food can be in a slow cooker and many other questions about using a slow cooker safely.

4 different types of slow cookers and the words slow cooker safety questions and answers

Safety Tips For Using A Slow Cooker

As a guide for these safety tips, the University of Minnesota Extension and the USDA have been referenced. However, always follow your manufacturer’s instructions for your slow cooker.

After you learn the safest way to prepare meals in your slow cooker, you will want to visit my slow cooker recipes for more great ideas. Some readers’ favorites are  5 Ingredient Crock Pot Soup, How To Make Navy Bean Soup, Pulled Pork BBQ, Sierloin Tip Roast, and Marry Me Chicken In A Slow Cooker.

If you are in the mood for snacks using your crockpot, then be sure to make Slow Cooker Chex Mix and a southern favorite, Crock Pot Boiled Peanuts.

How Long Can Food Be Left In A Slow Cooker

Leaving food in a slow cooker can be convenient, but it’s important to do so safely to avoid any risk of foodborne illness. By following a few key safety tips, you can ensure that your slow-cooked meals are not only delicious but also safe to eat. From understanding the maximum duration for leaving food in the slow cooker to proper storage techniques for leftovers, these safety guidelines will help you enjoy the convenience of slow cooking without any worries.

Can you overcook in a slow cooker?

woman covering her mouth looking sick with thought bubble, can you overcook in a slow cooker?

Although slow cookers are made specifically to cook food for extended periods of time, if something is left on the wrong setting for a longer period of time than it should be, you can still overcook it.

Can I Leave Food In A Slow Cooker Overnight?

It’s simple to prepare your food in advance if you have to leave for work and the morning is hectic. The night before, prepare your ingredients and brown any meat that needs to be done. Then combine broths, veggies and cooked meats in the slow cooker dish, cover it, and refrigerate overnight.

Then the next morning, you can put your slow cooker on with its programmable settings and have it cook for you while you’re at work.

lady sleeping with thought bubble, can i leave a slow cooker on for 24 hours safely

What’s the longest you can leave a slow cooker on?

The longest you should leave a slow cooker on is typically 8-10 hours, depending on the recipe and the specific slow cooker model. Leaving food in a slow cooker for too long can increase the risk of bacterial growth and foodborne illness. The food can also lose some of its flavor if overcooked. 

Slow Cooker Safty Tips For Meat

seared Sirloin Tip Roast that in a Slow Cooker With carrots, potatoes, celery, onions, ready to cook

One of our family’s favorite meals is my juicy and tender slow cooker pot roast recipe. It’s great because it can be cooked for a long period of time to tenderize a more expensive piece of meat. However, there are a few safety tips to keep in mind. 

Is it safe to add raw meat to the slow cooker and refrigerate it for later cooking?

If you want to make your recipe the night before and keep it in the fridge to cook in the morning, do not put raw meat in the crockpot and refrigerate. Wait until you are ready to start cooking to add any raw meat. This will help prevent salmonella.

What temperature should meat be when done in a slow cooker?

When using a slow cooker to prepare meat, it’s crucial to ensure that it reaches the safe internal temperature to avoid foodborne illnesses. One of the best ways to do this is by using a meat thermometer. Insert the thermometer into the thickest part of the meat to get an accurate reading. The FDA provides general recommendations on minimum temperatures for different types of meat, so be sure to refer to their guidelines for safe cooking temperatures. For more information on safe cooking temperatures, visit the FDA’s website at FDA Safe Minimum Cooking Temperatures.

Should meat go on the bottom of a slow cooker?

If you are cooking a beef stew, be sure to put the 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.

Safely Tips For Slow Cooker Leftovers 

If you have leftovers and want to be sure they are safe for reheating the next day, follow these safety tips. 

  • Cool Down Quickly: When storing leftovers, make sure to cool them down quickly. Put the food in shallow containers and store it in the refrigerator as soon as possible.
  • Don’t Leave At Room Temperature Too Long: It’s best not to leave food at room temperature for more than two hours. If you have a lot, freeze it in airtight containers or bags to reduce bacteria growth and ensure safe storage.
  • Avoid Leaving Food On Warm To Long: Food should not be left in a slow cooker on warm for more than 8 hours to ensure it is safe to eat. Bacteria can grow if the food is kept between 40 and 140 degrees F for an extended period. It’s best to follow safety guidelines to avoid foodborne illness.
  • Do not reheat already cooked food in a slow cooker; instead, reheat them on the stovetop or in the microwave (to at least 165°F) and transfer them to the slow cooker to keep warm (at least 140°F).

Slow Cooker Appliance Temperature Safety Tips

What Settings Should You Use On A Slow Cooker?

Most cookers have two or more settings generally operate between 170° and 280° F. If possible, turn the cooker on the highest setting for the first hour of cooking time and then to low or the setting called for in your recipe. Foods take different times to cook depending upon the setting used. Certainly, foods will cook faster on high than on low. 
However, for all-day cooking or for less-tender cuts, you may want to use the low setting. It’s safe to cook foods on low the entire time — if you’re leaving for work, for example, and preparation time is limited. While food is cooking and once it’s done, food will stay safe as long as the cooker is operating. Note: do NOT use the “Keep Warm or Hot” setting to cook, only use this setting if available after foods are completely cooked to safe internal temperatures.


Don’t Use An Old Slow Cooker

You should avoid using an older model of a slow cooker, especially for longer cooking times, as newer models often have programmable features that allow you to adjust the cooking temperature and time, reducing food safety concerns while still preparing delicious meals with minimal effort. Older models may not have the same safety features and temperature controls, with no heat as well, which increases the risk of foodborne illness.

Don’t Lift The Lid When Cooking In A Slow Cooker

Additionally, try not to open the lid while slow cooking, as this can cause abrupt changes in temperature, which can lead to foodborne illness.

Use A Kitchen Thermometer

If you are not sure whether the food you prepared is cooked well or not, it is always better to use a food thermometer to check the internal temperature of the food before eating. The USDA recommends different minimum temperatures for different types of food.

Food that is hot should be kept hot, which means it should be above 140°F. On the other hand, cold food should be kept cold, which means it should be below 40°F. If food is kept between 40 and 140°F, it can quickly become contaminated with bacteria that may make you or your guests ill.

Can I keep food warm in a slow cooker?

You can keep food warm in a slow cooker, but it’s essential to ensure the food reaches the safe temperature zone while avoiding the danger zone where bacteria growth thrives. Use a programmable slow cooker with digital timer features to set a maximum length of time for cooking and store leftovers in airtight containers, refrigerating them as soon as possible for best results

Can you leave a slow cooker on warm overnight?

It is safe to leave food in a slow cooker on the “warm” setting, but it’s best not to exceed 8 hours to ensure food safety. Bacteria can grow if the food is kept between 40 and 140 degrees F for an extended period. It’s important to follow safety guidelines to avoid foodborne illness.

What can not be cooked overnight in a crock pot?

pasta, couscus, rice and diary with text avoid cooking these food to long in a slow cooker

Some meals should not be cooked too long in a slow cooker that has pasta, couscous, rice, noodles, and creamy recipes like potatoes au gratin. These types of foods usually become pasty, mushy, and unappetizing if cooked too long in a slow cooker.

They are also far more prone to becoming contaminated with bacteria if left cooking for hours on end.

💡TIP: To avoid problems with pasta, couscous, rice, noodles, and some dairy, add them after the majority of your recipe’s cooking time is over.

Some dairy products tend to curdle when you add them to a slow cook that has a lot of liquid. This makes for an unpleasant texture. If you use dairy in your slow cooker, then choose recipes that are thick, such as  Cracker Barrel Cheesy Hash Brown Crockpot Recipe.

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