Blog How Safe Is It To Put A Cardboard Pizza Box In The Oven

How Safe Is It To Put A Cardboard Pizza Box In The Oven

18 Nov, 2025

can you put a cardboard pizza box in the oven on warm

Cardboard pizza boxes provide convenience for the transport and storage of pizza. You might wonder if you can put a cardboard pizza box in the oven on warm for reheating purposes. Knowing this is fruitful for everyone, irrespective of the fact that you own a pizzeria or are just a pizza lover.

This article will guide you on using a cardboard pizza box in the oven and how to keep your pizza warm without any risks. So, let's educate ourselves about this query through this blog post. Keep on reading!

Is It Safe To Put Cardboard Pizza Boxes In the Oven?

Cardboard is highly flammable. Its safety depends on several factors, such as temperature and duration. Cardboard can ignite at temperatures above 400°F (200°C). Exposure to heat for a longer period can cause the release of harmful chemicals from the box.

However, if you want to keep pizza warm, set the oven to a low temperature. It’s effective, but proper monitoring is necessary to avoid any accidents. Cardboard might seem convenient, but let’s explore better ways for keeping your pizza warm in the oven.

Best Methods To Keep Pizza Warm In the Oven

best methods to keep pizza warm in the oven

If you want to keep your pizza warm without the use of cardboard boxes, below we’ve stated some effective alternatives:

1. Using a Baking Sheet

Use a baking sheet to reheat your pizza. Set the temperature between 170°F to 200°F, as it is perfect to retain the freshness of pizza.

2. Use Any Oven-Safe Material

A pizza stone or any other oven-safe material works well to distribute heat evenly. It keeps the crust crispy, as well.

3. Cover With Foil

Cover the pizza using aluminum foil. This prevents it from drying out and keeps it warm. These methods are safe and ensure that your pizza stays fresh without any risks.

Now that we’ve covered safer methods, let’s consider how cardboard behaves under different heat conditions.

Understanding The Risks Of Putting Cardboard In The Oven

Cardboard is not designed for high-heat environments. Here’s why:

  • Flammability

Cardboard ignites at high temperatures. Due to this, it is unsuitable for ovens set above 400°F.

  • Chemical Release

Some cardboard boxes have coatings or inks that can release harmful chemicals upon heating.

  • Structural Weakness

Prolonged exposure to heat weakens cardboard. This makes it less stable and prone to sagging.

Due to these factors, it’s ideal to transfer your pizza to an oven-safe surface. While cardboard may not be ideal for the oven, what about its use in other appliances like the microwave?

Is Cardboard Microwave Safe?

is cardboard microwave safe

Disposable pizza boxes can be used in the microwave for short durations, but there are limitations:

  • No Metal Components

Ensure the box doesn’t have any metallic parts, like staples or foil.

  • Monitor Heating Time

Only heat for a short time to prevent overheating or burning.

  • Lining Matters

Boxes with grease-resistant linings might emit fumes or melt under high heat.

Putting a pizza in the microwave with its box is possible, but not recommended to reheat it. Transferring pizza to a microwave-safe plate is a better option. Understanding the limitations of cardboard in heating appliances highlights the importance of temperature control. Let’s explore the ideal oven temperatures to keep pizza warm.

What Is The Perfect Temperature To Keep Pizza Warm In An Oven?

The best temperature to keep pizza warm is between 170°F to 200°F. This range ensures that:

  • The pizza stays warm without overcooking.
  • The crust remains crispy while the cheese stays melted.
  • The process avoids risks like burning or drying out.

Keep the oven on for 5 to 10 minutes at 350°F. This helps keep pizza warm for a long period. This is effective, but let’s discuss how reheating it in the box compares.

Can You Reheat Pizza In the Box?

can you reheat pizza in the box

Reheating pizza directly in white pizza boxes is not recommended for several reasons:

  • Safety Concerns

As mentioned, cardboard can ignite or emit odors when exposed to heat.

  • Uneven Heating

Cardboard doesn’t distribute heat evenly, which may result in soggy or unevenly warmed pizza.

  • Health Risks

The inks and coatings on cardboard may release chemicals when heated.

Instead, always transfer pizza to an oven-safe surface for consistent and safe reheating. Now that we’ve covered safe practices, let’s look at packaging innovations that improve pizza storage and warming.

The Role Of Packaging In Pizza Quality

Modern brown pizza boxes are designed with convenience and safety in mind. High-quality cardboard boxes often feature grease-resistant linings and venting systems to maintain freshness. However, these features are optimized for storage and transport, not for heating.

Custom packaging solutions, such as insulated pizza carriers or heat-retaining bags, provide better alternatives for keeping pizza warm. Businesses investing in innovative packaging can enhance customer satisfaction and safety. If you’re looking for reliable packaging solutions, let’s discuss how our company can help.

Why Select Us For Custom Pizza Packaging?

At Your Box Packaging, we specialize in creating innovative and safe food boxes for a wide range of products. Our custom pizza boxes are designed to:

  • Retain heat and freshness during delivery.
  • Ensure safety with food-grade materials.
  • Provide eye-catching designs that promote your brand.

Our packaging solutions will elevate your product’s quality and appeal. Contact us today via email at sales@yourboxpackaging.com to learn how we can meet your packaging needs.