can you cook plastic ready meals

Can You Cook Plastic-Ready Meals?

Plastic-ready meals have become a popular option for busy people who want quick and easy food. But as convenient as these meals are, many people wonder if it’s safe to cook plastic in the microwave or oven. In this article, we’ll explore what plastic-ready meals are, how they’re cooked, the heat-resistant properties of plastics, the dangers of cooking with plastic, and safe alternatives you can use. Additionally, we’ll address common misconceptions related to cooking with plastics and provide tips for safe heating and storage.

What Are Plastic-Ready Meals?

Plastic-ready meals are pre-packaged foods that come in plastic containers or wrapped in plastic film. These meals are designed to be easily heated in the microwave or oven and may include a variety of different dishes such as soups, stews, pasta dishes, and more.

One advantage of these meals is that they often have a long shelf-life making them ideal for emergency situations or times when fresh food is not available.

How Are Plastic-Ready Meals Cooked?

Cooking instructions for plastic-ready meals can vary depending on the brand and type of meal. Most meals will have specific cooking instructions printed on the packaging.

Generally speaking, meals that come in plastic containers can be heated in the microwave or directly in the oven. It’s important to note that some containers may not be oven-safe and could melt if exposed to high temperatures.

Meals that come wrapped in plastic film should be microwaved according to instructions. Some meal packages may suggest removing the food from its packaging before heating it, while others may advise leaving it in the package.

Heat-Resistant Properties of Plastics

Not all plastics are created equal, which means that not all plastics are heat-resistant. The heat tolerance of plastics depends on their chemical composition and melting point. Some plastic containers are specifically designed to withstand high temperatures while others are not.

When it comes to plastic-ready meals, many brands use a type of plastic known as polypropylene. This type of plastic is known for its toughness, durability, and relatively high melting point, making it ideal for use in microwaveable containers. However, just because a container is microwave-safe doesn’t mean it’s also oven-safe.

Dangers of Cooking Plastic

Cooking with plastic containers or film can pose potential health risks. One of the biggest concerns is the leaching of chemicals from heated plastics into food.

Studies have shown that certain chemicals commonly found in plastics, such as bisphenol A (BPA) and phthalates, could leach into food during the heating process. These chemicals have been linked to a variety of health problems including reproductive issues and some types of cancer.

Even if a plastic package claims to be microwave-safe or oven-safe, it’s still best to avoid cooking your food in plastic if possible. If you must use a plastic container to reheat leftovers or cook food, make sure the container is labeled as microwave-safe and avoid exposing it to any extra heat. Additionally, never reuse plastic containers that were intended for single-use because they become more unstable after each use and could contain harmful germs.

Safe Alternatives to Cooking Plastic-Ready Meals

If you’re concerned about the potential health risks associated with cooking plastic-ready meals, there are plenty of safe alternatives available:

  • Pack your own meals in reusable containers made from glass or stainless steel
  • Buy fresh ingredients and cook meals from scratch
  • Look for ready-made meals that come in paper, cardboard, or compostable plastic packaging

Not only are these options safer for your health, but they also reduce waste and help to protect the environment.

Can Microwaving Plastic Wrappers and Containers Cause Harm?

A common misconception is that microwaving plastic containers can cause them to release harmful chemicals into food. However, this isn’t always the case. Many microwave-safe plastics are designed to be heated without leaching chemicals into food.

It’s important to note that while microwaving plastics is generally safe when using the correct materials as instructed, it’s best to avoid exposing any plastic, including microwave-safe plastics, to excessive heat. Additionally, always follow the manufacturer’s instructions when using microwave-safe plastics and ensure you use containers that are labeled as such.

Tips for Safe Heating and Storage

If you choose to use plastic containers for heating leftovers or storing food, follow these guidelines to help minimize potential exposure to harmful chemicals:

  • Never microwave food in plastic containers unless they are labeled microwave-safe
  • Avoid exposing plastic containers to high temperatures in the oven or on a stovetop
  • Avoid reusing single-use plastic containers
  • Consider using glass or stainless steel containers instead of plastic ones
  • Avoid storing acidic or fatty foods in plastic containers for prolonged periods because the oil or acid can accelerate chemical leaching.


In conclusion, while it may be quick and easy to heat up a plastic-ready meal in the microwave or oven, it’s important to be aware of the potential health risks associated with cooking plastic. Whenever possible, opt for alternative meal options that use safer materials such as glass or stainless steel or cardboard. Additionally, always follow the manufacturer’s instructions when using plastic containers and avoid exposing them to high temperatures. By taking simple precautions, you can help protect your health and wellbeing while still enjoying convenient, easy-to-prepare meals.

Frequently Asked Questions

Can you cook plastic ready meals in the oven?

No, cooking plastic ready meals in the oven is not recommended as it could release harmful chemicals from the plastic packaging.

What is the safest way to cook plastic ready meals?

The safest way to cook plastic ready meals is by following the instructions on the packaging. Generally, it is recommended to remove the plastic film before cooking and to use a microwave for heating.

Can microwaving plastic containers cause cancer?

Microwaving plastic containers may release harmful chemicals like BPA and phthalates, which are linked to cancer. It is recommended to use glass or ceramic containers instead of plastic for cooking and heating food in the microwave.

Why do some plastic ready meals have warnings against microwaving or oven cooking?

Some plastic ready meals have warnings against microwaving or oven cooking because the packaging is not safe at high temperatures. The warning may also indicate that the food inside needs to be removed from the packaging before heating. It is important to follow these instructions for your safety.

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