Can I Eat Left Over Pizza? Expert Advice on Food Safety.

It can be difficult to resist a nice slice of pizza. But what occurs if you unintentionally left over it outside all night? Is it okay to eat right now? The quick response is no.

Left over pizza

Pizza, for example, should not be left out at room temperature for longer than two hours, according to the USDA.

It is dangerous to eat within this temperature range because bacteria can multiply twofold in as little as 20 minutes.

The left over pizza that you left out overnight may be enticing to eat, but it’s wise to err on the side of caution and throw it away.

You’re in luck if you have any frozen or refrigerator-stored leftover pizza pieces. Pizza can be easily, quickly, and safely warmed up from a cold state.

You must thaw your frozen slices in the refrigerator before reheating them. You can eat your pizza without worrying about getting sick by following these instructions.

Can You Eat Pizza Left Out Overnight?

When it comes to leftover pizza, many of us are guilty of leaving it out overnight. But can you eat pizza that was left out overnight?

Pizza leftovers in plate

The answer is not a straightforward yes or no. There are several factors that affect the safety of leftover pizza.

The Risks of Eating Leftover Pizza

Leaving pizza out overnight can increase the risk of food poisoning. Bacteria such as Staphylococcus aureus, Escherichia coli, Campylobacter, and Salmonella can grow rapidly in the temperature danger zone, which is between 40°F and 140°F.

These bacteria can cause foodborne illnesses that can lead to nausea, vomiting, diarrhea, and fever.

Factors That Affect the Safety of Leftover Pizza

The safety of leftover pizza depends on several factors, including the type of pizza, how it was stored, and how long it was left out.

Pizza Left over

Cheese pizza, for example, is more prone to spoilage than other types of pizza because of its high protein and moisture content.

Homemade pizza and frozen pizza are generally safer than delivery pizza because they are less likely to have been mishandled during transport.

If you plan on storing leftover pizza, it’s important to do so in an airtight container in the refrigerator.

Leftover pizza can be safely stored in the refrigerator for up to four days. If you need to store it for longer, consider freezing it.

How to Store Leftover Pizza

To store leftover pizza, place it in an airtight container and store it in the refrigerator. If you don’t have an airtight container, you can use plastic wrap or aluminum foil.

Left over Pizza in a box

Avoid leaving the pizza in its original cardboard box, as it can absorb moisture and become soggy.

How to Reheat Leftover Pizza

When reheating leftover pizza, it’s important to do so properly to avoid the risk of foodborne illness. The best way to reheat pizza is in the oven or on the stovetop.

If using the oven, preheat it to 375°F and place the pizza on a baking sheet. If using the stovetop, place the pizza in a skillet over medium heat.


It’s generally not safe to eat pizza that was left out overnight. The risk of foodborne illness is high, and it’s best to err on the side of caution. If you do plan on storing leftover pizza, be sure to do so in an airtight container in the refrigerator.

When reheating, use the oven or stovetop to ensure that the pizza is heated to a safe temperature. By following these guidelines, you can enjoy your leftover pizza without putting your health at risk.


Add comment

Most popular