Can You Eat Pizza Left Out Overnight?

Can You Eat Pizza Left Out Overnight?

Who among us hasn’t eyed that box of leftover pizza on the counter from last night’s dinner and wondered, “Is it really a bad idea to eat that slice?” Well, let’s chew over the facts together.

We’ve all been there. The night was fun, the pizza was plenty, and let’s be honest, cleaning up was the last thing on your mind before you hit the hay. But now, as the sun shines through your kitchen window, there it sits… that box of pizza, tantalizing but potentially treacherous.

The Safe Zone: Understanding the “Danger Zone”

Before we dive into the cheesy details, let’s talk about the “Danger Zone.” According to the FDA, the “Danger Zone” is the temperature range between 40°F and 140°F (4°C and 60°C), where bacteria can rapidly multiply. Foods left in this zone for more than two hours (or one hour if the temperature is above 90°F/32°C) should not be consumed. This is because conditions are prime for bacteria like Salmonella, E. coli, and Listeria to grow to dangerous levels that can cause foodborne illness.

So, about that pizza. If it’s been sitting out for more than two hours, it’s been partying in the Danger Zone. And while it might look and smell okay, harmful bacteria don’t always affect the taste, smell, or appearance of food.

pizza with cheese and green leaf

The Risks: Bacteria and Food Poisoning

The CDC estimates that each year roughly 1 in 6 Americans (or 48 million people) get sick, 128,000 are hospitalized, and 3,000 die from foodborne diseases. That’s no small matter. Left out overnight, your pizza is more than likely to have invited some unwanted bacterial guests to the table. These bacteria can cause symptoms ranging from mild stomach discomfort to severe dehydration and potentially life-threatening conditions, especially in the young, elderly, or those with compromised immune systems.

The Exceptions: Some Toppings Are Riskier Than Others

Now, not all toppings are created equal. A pizza with just bread, tomato sauce, and cheese might fare slightly better than one topped with meat or vegetables. That’s because moisture-rich toppings like fresh vegetables and cooked meats are more susceptible to bacterial growth. But don’t be fooled—even a plain cheese pizza can become a bacterial playground after too many hours at room temperature.

The Verdict: To Eat or Not to Eat?

As a rule of thumb and to stay on the safe side, I recommend following the guidelines set by the experts. If that pizza has been out for longer than two hours, it’s best to say goodbye to those leftovers. I know, it’s a tough pill to swallow, especially when it comes to delicious pizza. But your health and the health of your family are worth more than a few slices of day-old pepperoni.

Safe Practices: Keeping Your Leftovers Safe

If you do have leftovers and want to enjoy them the next day, here’s what you can do:

  1. Refrigerate promptly: Put your leftover pizza in the fridge within two hours of cooking or delivery. Make sure your fridge is at the right temperature, below 40°F (4°C).
  2. Store properly: Place the pizza in airtight containers or wrap it tightly with aluminum foil or plastic wrap to keep out moisture and other contaminants.
  3. Reheat correctly: When you’re ready to eat, reheat your pizza to an internal temperature of 165°F (74°C) to ensure any lingering bacteria are destroyed.

pizza with tomato and green leaves on white ceramic plate

Key Takeaways

  • The Danger Zone: Pizza (and other perishable foods) should not be left out at room temperature for more than two hours.
  • Foodborne Illness: Eating pizza left out overnight can put you at risk for foodborne illnesses.
  • Storage: Always refrigerate leftovers promptly and reheat to the proper temperature before consuming.
  • When in Doubt, Throw it Out: If you’re unsure how long the pizza has been sitting out, it’s better to err on the side of caution.

And there you have it, the crust, the cheese, the sauce, and the safety! It’s always better to play it safe when it comes to food safety. Remember, taking care of your leftovers means taking care of you and your loved ones. Until next time, stay safe and keep that pizza out of the Danger Zone!

Meet

The

Food Safety

Dad

Its me - Dale – a former restaurant manager turned food safety advocate. With years of experience ensuring the highest standards in busy London eateries, I'm here to bring those professional secrets into your home, making food safety simple and enjoyable.
The information on The Food Safety Dad is provided for educational purposes only and is not intended as medical advice. Always consult with a healthcare professional before making any health-related decisions.