How Long Can Food Be Left in a Slow Cooker? - (2024)

The whole aim of a slow cooker is to cook food for an extended period of time. However, even the longest slow cooker recipes do have maximum cooking times, and leaving food in the pot for too long or on the wrong setting can result in some very unsatisfactory dishes indeed.

If you’re wondering how long you should leave food in the slow cooker, or if these handy kitchen tools can be used to refrigerate food, too, keep reading for the answers to these questions and more.

What’s the Maximum Time Cooking Time for Electric Slow Cookers?

Slow cookers are very low wattage appliances, meaning that they cook food slowly, as well as safely. Unlike other cooking appliances, you can leave food in a slow cooker unattended for hours at a time. This is what makes them so useful as a kitchen tool; you can pop your favorite meal in to cook in the morning, then return home after a busy day at work to freshly cooked, delicious food.

That being said, however, it’s not a good idea to leave food in a slow cooker for days at a time. The food will not only stain the cooker’s interior, but it will also be soggy and overcooked and be left open to bacteria.

Most of the programmable slow cookers available today have a 24-hour cycle, which would shut the slow cooker off automatically, but older models don’t necessarily have this function.

Generally speaking, however, it’s best to only cook food for the indicated times on the recipe you’re using. While some recipes for slow-cooked meat call forextra-long cooking times(anything between fourteen and twenty-four hours), most meals you’ll prepare in your crock pot will need to be cooked for four to six hours on high heat, or eight to twelve hours on low.

How Long Can Food Be Left in a Slow Cooker? - (1)

What About Leaving Food to Warm?

On some occasions, you’ll want to leave food in the slow cooker to keep warm, during Thanksgiving or Christmas Dinner, for example, or any other event or holiday. While it’s perfectly ok to use your crock pot in this way, try to avoid leaving food on the warming setting for more than four hours.

According to the USDA, food kept at between 40 and 140 degrees is more at risk of forming bacteria. In this temperature range, bacteria can double in number within just 20 minutes. Therefore, if your slow cooker isn’t maintaining a precise temperature, or if you’re frequently opening the lid to spoon out food, it’s more likely that the food will become spoiled.

The best way to store food that you cannot eat in one sitting is to leave it on the warming setting for two to four hours, then transfer it to the refrigerator.

How Long Can I Cook Food in A Cast Iron Pot?

In terms of preparing and cooking food in a cast iron dutch oven or tagine pot, you do have a bit more freedom.

In a tagine with an enamel inner surface, such as thisUno Casapot, you can easily marinate your food for a long time. The surface is impermeable, meaning it can withstand acidic ingredients and store cooked and raw food safely.

A cast-iron crock pot also provides similar levels of flexibility when it comes to marinating or even cooking food for longer stretches of time. It’s not uncommon to braise meat in a cast iron pot or tagine overnight, which improves both the texture and the flavor of the meat. You can also leave a stew to cook overnight in a manual pot, as this will boost its final flavors, especially if the stew includes chili or tomatoes as ingredients.

How Long Can Food Be Left in a Slow Cooker? - (2)

Can I Put a Dutch Oven in the Refrigerator?

The beauty of traditional cooking pots like dutch ovens is that they can withstand the most extreme temperatures. Cast iron dutch ovens can cook food at the highest temperatures and easily refrigerate food or even store food in a freezer.

To ensure that your meal doesn’t become spoiled or develop any nasty bacteria, you will need to wait for your Dutch oven to cool down to room temperature before transferring it to the fridge or freezer.

In Summary

When cooking food with your slow cooker or Dutch oven, first and foremost, it’s essential always to follow the cooking times stated in your recipe. This is not just a matter of safety, but it will also ensure that your resulting dish is cooked to perfection.

Additionally, while it is possible to cook food for longer inan electric slow cookerand even leave food to warm, you will get a lot more versatility out of a Dutch oven or tagine pot.

How Long Can Food Be Left in a Slow Cooker? - (2024)

FAQs

How Long Can Food Be Left in a Slow Cooker? -? ›

Most appliances will automatically shut off after 20 or so hours on this setting, but you shouldn't leave food in a slow cooker for an extended length of time. 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.

How long can food stay in a slow cooker? ›

While it's perfectly ok to use your crock pot in this way, try to avoid leaving food on the warming setting for more than four hours. According to the USDA, food kept at between 40 and 140 degrees is more at risk of forming bacteria. In this temperature range, bacteria can double in number within just 20 minutes.

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

As long as there is something inside cooking, preferably with liquid, and the top is on, your slow cooker could run for 24 hours or longer. Some liquid will slowly boil out, so the less liquid, the less time to leave it unattended.

How long can I use the keep warm in a slow cooker? ›

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.

Can you leave leftovers in slow cooker? ›

Do not leave cooked food to cool down in the crock. Eat immediately or place leftovers in shallow containers and refrigerate. Don't reheat in a slow cooker.

Can I leave food in my slow cooker overnight? ›

Today's programmable slow cookers often come with the ability to cook food for up to 24 hours, as well as automatic warming settings that can stay on for just as long.

Is it OK to leave slow cooker on for 10 hours? ›

Yes, you can use your slow cooker for longer than eight hours, as long as you keep an eye on it. Many slow cookers do have an automatic shutoff after 24 hours.

Is 4 hours on high the same as 8 hours on low? ›

Low: 7-8 hours to reach the simmer point. High: 3-4 hours to reach the simmer point.

Can I reheat food in a slow cooker? ›

"Do not use a slow cooker to reheat leftovers, even if you originally cooked the food in the slow cooker," she cautioned. "The low temperatures can allow prepared foods to spend too much time in the unsafe food temperature zone." Instead, she suggests reheating leftovers on the stove or in the microwave.

Can I use a slow cooker to keep food warm? ›

If you made a side dish in the slow cooker or an Instant Pot, it's super easy to hold it warm once it's finished cooking. Simply select the “Keep Warm” setting, and away you go! You can also transfer an oven-baked or stovetop dish to the slow cooker to keep them warm, too.

Is it better to slow cook on low or high? ›

Use the slow cooker low setting

Ginny has been working with slow-cookers for over a decade, and her advice is to use the 'Low' slow cooker settings as much as you can, finding that most dishes really benefit from a slow, gentle heat to really bring out the flavours.

Can you put everything in a slow cooker the night before? ›

Make-ahead when possible: If your slow cooker has a removable insert, assemble the ingredients the night before and refrigerate the entire insert overnight. It's important to note that starting with cool ingredients may lengthen cooking time (but be sure to keep them out of the temperature danger zone).

How long can food sit out after cooking? ›

The best plan is to put leftovers in the refrigerator right after your meal. Food that is sitting out for a party or picnic should be chilled after two hours at typical room temperature. If it's above 90 degrees Fahrenheit (32 degrees Celsius) or more, food should not sit out for more than one hour.

How long to let crockpot meal cool before refrigerating? ›

The U.S. Department of Agriculture (USDA) recommends putting food in the refrigerator within two hours of cooking. Doing so helps prevent bacteria growth. “Bacteria grow rapidly between the temperatures of 40 F and 140 F,” the USDA says.

How long can cooked meat sit out in the UK? ›

The potential risk of food poisoning is why it is essential to understand the 2-hour / 4-hour rule. Put simply the rule is: Under 2 hours = Good to use or you can refrigerate at 5°C or less. 2 to 4 hours = This timeframe means the food is okay to use.

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