Will Slow Cooker Kill Bacteria


Slow cookers are the best way to cook food with ease, particularly when you have to go outside for work and return after 7 to 8 hours. Apart from that, slow cookers are also able to retain your food’s nutrients as well. With that, you probably have one question in mind: will slow cooker kill bacteria?

Research Regarding Slow Cooking

Slow cooking is considered very important in order to preserve the nutrients in your ingredients. Unfortunately, a slow rise in temperature can trigger the growth of bacteria.

According to the research and guidelines of FDA (Food and Drug Administration), slow cookers are safe to use as they can destroy bacteria at a temperature of 140º F. Anything lower than that temperature is conducive for bacterial growth.

One good example is keeping food at a room temperature. Leaving your food that way for hours can cause bacteria to grow and multiply. So, remember to consume your food as soon as you’re done cooking it. If you can’t finish everything, store the remaining food properly and just thoroughly reheat it when needed.h.

Ways to Prevent The Food From Bacteria

There are several ways to prevent bacteria from growing in your food. Here are some of them:

  • Maintain the Cleanliness

    It is important to keep your kitchen clean. Wash your utensils and other cooking tools to prevent introducing bacteria to your recipe.

  • Don’t Use Frozen Food

    Avoid cooking frozen food slow cookers because they are more prone to bacterial growth. If you’re unable to do that, then make sure to defrost your ingredients first.

  • Do Not Let the Food Cool For More Than Four Hours

    After cooking your food, keep in mind to adjust the cooker on warming mode. Also, remember not to let the food cool for more than four hours as that can cause bacteria to grow in your meal.

  • Arrange the Food Properly

    If you’ll be using thawed meat, cook it separately. You can just add the other ingredients later. In this way, you’ll be able to kill all the bacteria and keep all the essential nutrients of your food.

  • Store the Leftover Food

    If you have any leftover food, then store it immediately. You can freeze it or keep it in an airtight container. When you need to eat it, remember to reheat the food properly. This way, you’ll be able to eliminate any bacteria that may have grown inside the container.


Slow cookers are ideal for cooking healthy and delicious food. They won’t cause bacteria to grow in your meal since those microorganisms aren’t able to live and proliferate when exposed to high temperatures.

Now, if you are worried about leaving your slow cooker on while you’re out, check its cord and general built. A slow cooker can only start a fire if it’s not properly maintained or if it’s malfunctioning.

Further Reading on Best Slow Cookers