Bacon Left Out Overnight: Is it Safe?

Bacon is one of the most beloved breakfast staples in the world. Whether it’s crispy or chewy, it’s the perfect addition to a hearty breakfast meal.

But what happens if you accidentally leave it out overnight? Is it still safe to eat the next day? In this blog post, we’ll answer this question and explore the safety concerns of leaving bacon out overnight.

Roasted bacons
Roasted bacons

The Dangers of Bacteria Growth

One of the biggest concerns when it comes to leaving food out overnight is the growth of harmful bacteria. Bacon is a high-protein food that is especially susceptible to bacterial growth. When left at room temperature, bacteria can multiply rapidly, which can make you sick if you consume the bacon. The USDA recommends that perishable foods like bacon should be refrigerated at 40°F or below to slow the growth of bacteria.

Bacon and the Two-Hour Rule

According to the USDA, perishable foods should not be left at room temperature for more than two hours. This is known as the “two-hour rule.” If you leave bacon out at room temperature for longer than two hours, it should be discarded. This is because the warm temperature will provide an ideal environment for harmful bacteria to grow.

However, if you refrigerate the bacon within two hours of leaving it out, it can still be safe to eat. The bacteria will slow down, but will not necessarily be destroyed, so it’s important to make sure you cook the bacon thoroughly to kill any remaining bacteria.

Reheating Bacon

If you’ve accidentally left bacon out overnight, you may be wondering if it’s still safe to reheat. The answer is yes, but it’s important to do so properly. The best way to reheat bacon is to place it in the oven at 350°F for about 10 minutes, or until it’s fully heated through. This will kill any bacteria that may have developed while the bacon was left out.

If you don’t have access to an oven, you can also reheat the bacon in a pan on the stove. Cook it over medium heat, flipping it occasionally, until it’s fully heated through. Make sure to watch it closely, as it can burn easily.


In conclusion, it’s not safe to leave bacon out overnight. The warm temperature will provide an ideal environment for harmful bacteria to grow, which can make you sick if you consume the bacon. If you do accidentally leave bacon out overnight, make sure to refrigerate it within two hours, and reheat it properly before consuming. By taking these precautions, you can ensure that your bacon is safe and delicious to eat.

In the end, it’s always best to err on the side of caution and avoid leaving perishable foods like bacon out overnight. By following the two-hour rule and properly reheating the bacon, you can minimize the risk of foodborne illness and enjoy your favorite breakfast food safely.

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