Can You Microwave Plastic Tupperware? [Solved]

can you microwave plastic Tupperware?Who says microwave can’t make life easier? The opposite is true, since you can easily transform your cold meal into a tasty hot delicacy in only a couple of seconds. For instance, many products are evolving as technology advances. A good example is the Tupperware.  They are plastic containers that are designed to be microwave safe, but how true is that?

Can you microwave plastic tupperware? Yes, but only Tupperware with microwavable symbols is safe to reheat your food while ensuring it is still tasty, has good texture and quality.

Those Tupperware that don’t have the microwave-safe symbol are harmful to humans. They have some health risks too. Therefore, look for a label at the bottom of the container that shows its capacity to microwave.

Tupperware is a brand whose mission is to offer exclusive and safe products to its users. As such, their different plastic products encompass modern inventions to guarantee that clients have the finest quality in the market in a safe way. Tupperware’s confidence in its merchandise is supported by many years of product research, testing, and accrued experience.

Tupperware is a product that has been in the market since 1946.  They however have firm instructions that you should observe when using their items. Such instructions include; Use medium heat, do not scratch the container, three minutes or less, reheat food only, pop vent, do not exceed fill line, and many more.

Tips to Reheat Food in Tupperware Microwave Containers

Observing these tips will enable your Tupperware microwave boxes remain new and ensure your food last and taste nice.

1. Use Different Tupperware Containers for Refrigerating and Freezing

Other than refrigerating, freezing is another good alternative to prolong your food’s shelf life. Airtight tins are the best alternative for refrigerating and freezing food since they’re good in retaining food quality.

You can use a microwave Tupperware container to refrigerate food but never use the same container to freeze food. Freezers and refrigerators have different temperatures. According to U.S Food and Drug Administration (FDA), the ideal refrigerator temperature should be between 35 to 40 degrees Fahrenheit. The freezer temperature on the other hand should be between -15 to -18 degrees Celsius.

Thus using the same tin might break or wrap it.

2. Reheat Only Required Food

Oily foods like cheese and meat and food that are prepared with water like soups whose temperatures can be very high should be reheated differently. Only heat the amount you need that reheating the whole food at once.

It is advisable to only rewarm leftovers once. Therefore, take the right amount of the leftover, rewarm it and consume it for less than two hours. If you can’t eat all the food that you’ve reheated within this time frame, dispose it off.

3. Check the Tupperware Microwave Safe Symbol

Some Tupperware containers may not be ideal for microwave use. In that case, how can you detect if Tupperware is microwave safe? By ding a double check when putting food in a Tupperware container to rewarm. You will easily see a microwavable symbol on it.

Through using a microwave-safe Tupperware vessel, you’ll prevent your food from getting contaminations from chemical elements, especially when rewarming. Tupperware container that contain microwave–safe symbol can endure high temperature and unexpected variations in temperature.

4. Reheat in Timely Manner

We already know if Tupperware is microwave safe. How do you reheat Tupperware in timely manner? For appropriate reheating, first, reheat your food for two minutes with high temperature. Get the food out and mix. If you find the food somehow still cold, reheat it once again for 30 seconds maximum.

To ensure your food retains its texture, ensure you don’t reheat it for long. Prolonged heating can make it become chewy or get a rough texture. If your food happens to change its texture, it won’t be enjoyable, more so for meat.

5. Put the Tupperware Lid on and the Vent Open

Perhaps you’ve been wondering whether or not to cover your microwave Tupperware with a lid. That is highly recommendable.

But some Tupperware microwave containers have vents. It is very critical to rewarm your food in the microwave while the Tupperware is covered with a lid. Exposing your food directly to microwaves will make the food chewy and can dehydrate the soup.

Covering the Tupperware with a lid with an open vent when microwaving will help discharge the pressure slowly. If the container you’re using doesn’t have a vent, lift the edges a little. Covering Tupperware with lid while microwaving is essential as it prevents food from splattering. Again, it allows the food to heat quickly and uniformly.

6. Read and Follow the Instructions

Finally, you should read any the instructions that all comes with every container you purchase. Every container or electronics we buy often come with a manual. Many of us throw the manual away and straight away, we start using the items.

Well, that is very wrong. It is critical to read and understand the user manual. Instructions provided in the manual will enlighten you on how you should use it and other safety measures. Observing it will ensure everything runs smoothly.

Why Trust Tupperware?

Rigorous Global Quality Standards

There’s one thing you should note about Tupperware-it is that they use utmost standards to produce quality items which are used throughout the world. The production process that the company uses contains different phases that guarantee best quality is implemented at every stage of production.  Tupperware undertakes their quality assurance assessments correspondingly at different locations worldwide.

Accelerated Usage Testing

Since Tupperware’s mandate is to provide exceptional experience to its clients, they implement the accelerated usage testing to ascertain all their items comply with the expected quality. The accelerated usage testing encompasses wide studying and thorough analysis to identify the Tupperware’s products capacity to endure microwave temperatures.

Tupperware Microwave Safe Symbol – What does it mean?

Tupperware is among the various manufacturing establishments that use the plentiful plastic supplies available worldwide. There are many safety concerns that these companies deliberate before finalizing that the plastic item is microwavable. Among these concerns is whether the plastic’s solid state might get affected and melt if exposed to microwave heat. Another safety concern is whether the plastic will produce perilous chemicals and contaminate food while microwaving.

To identify which Tupperware plastics are microwavable, the firm has encrypted labels underneath their containers. Customers can thus identify which items are microwavable. The symbol is easily recognizable and contains three wavy lines, placed horizontally over each other.

How do I Know if Tupperware is Microwave Safe?

Plastic products should be certified as harmless before microwaving. There are plenty of materials easily accessible to commercial manufacturers, but are they using the right plastic that can stand high heat?

Main issues surrounding Tupperware containers include:

  • Plastics leaching dangerous chemicals into food
  • Plastic melting when microwaving

To minimize worry regarding microwaving, the Tupperware company has produced a detailed plastics chart to enlighten consumers regarding the “Resin ID Codes” found in their Tupperware containers.

You can verify this by checking whether the Tupperware product contains these signs:

  • Three to five wavy lines
  • A microwave safety label
  • Microwave emblem that contains three wave-like lines inside.

Though there are plenty of Tupperware products not meant for cooking, Tupperware Company has produced wide variety of containers that are microwavable and BPA-free. Additionally, if a plastic product is labeled#5, it signifies it made from Polypropylene (PP), indicating it is taken to be microwavable.

CPET, #1 is also microwave-friendly. It is however designed to heat simple foods for short time. You shouldn’t mistake it with APET as CPET is coated to enable it resist high temperatures.

APET (E) products are not microwave safe. It is a similar plastic used to produce deli containers, supermarket bottles, water bottles and many others for packing cold food.\

Can You Microwave Ziploc Tupperware Containers?

Can You Microwave Plastic Tupperware?It has become a normal habit for people to just toss Ziploc containers in the microwave and reheat their food. But ever questioned whether the Ziploc bag is safe to microwave?

It has been a long debate among individuals on the safety of these of these containers and microwaving. Companies like Tupperware and Ziploc have long been classified as being microwave safe.

Ziploc containers are produced using polypropylene, which is also known as recycling #5. It is the most used variety of microwave plastic that is microwave safe featuring high melting point, which makes it perfect for very hot liquids. Likewise, Ziploc products are also BPA-free, dioxin-free, and is highly recyclable. However, they are not manufactured from recycled products.

Ziploc containers contain polypropylene, whose melting point is about 320 degrees Fahrenheit or 160 degrees Celsius. Anything beyond this will interfere with the quality of the material. That ensures it can withstand food temperature. Nonetheless, it should not be used in a traditional oven, that contains a stovetop or under browning features.

Faqs About Microwaving Plastic Tupperware

How long can you microwave plastic Tupperware?

Can You Microwave Plastic Tupperware?Tupperware containers are created for re-heating and defrosting and not for cooking meals. Use medium heat to minimize the danger of burning the container. Moreover, Tupperware manufacturers recommend that you should not reheat the container for more than three minutes per session.

How can you tell if a plastic container is microwave safe?

Look for a symbol at the bottom of the container. Microwave safe usually indicates a microwave that has wavy lines on it. If the product contains #5, it shows is it manufactured using Polypropylene (PP), hence is viewed as microwave safe.

Is microwaving Tupperware bad?

No, Tupperware is a most safe type of plastic, and using and maintaining it is pretty simple. The Tupperware constituents allow it to resist heat. Furthermore, it retains your food’s quality, texture and taste as it uniformly heats it.

Are Tupperware bowls microwave safe?

Can You Microwave Plastic Tupperware?Yes, unlike normal plastic containers, Tupperware bowls does not melt in the microwave. Just ensure you follow all Tupperware rules with Tupperware bowls.

How do you microwave Tupperware?

To avoid cold and hot spots when reheating your food, start by reheating your food. Then pause at the middle of the process and remove the container. Confirm and mix your food for some seconds. Follow by returning it back in the microwave and reheat it once more.  Remove your food and you can now eat it evenly-heated.

Can you microwave Betty Crocker Tupperware?

Betty Crocker Tupperware is microwave-safe and is ideal for snacks, sandwiches, salads, leftover soups and more. They are reusable and have multiple uses and come in a set of two.

What is the microwave safe symbol on Tupperware?

Curvy lines signify that your container is microwavable. The symbol may vary significantly. At times it might show a microwave image, while other times a plate placed under radiation waves though the wavy lines are a must. Curvy lines signify you can reheat the container easily.

Which plastics are microwave safe?

Typically, you shouldn’t use paper containers, Aluminum, Polythene Terephthalate (PETE), and polystyrene (PS) to microwave.  Whereas Polypropylene (PP), High-density polythene (HDPE), and molded- fiber bagasse are usually safe microwave.

What containers are microwave safe?

Ceramic and glass materials, including plastic containers that have a “microwave safe” label are ideal for microwaving. Conversely, aluminum items, Styrofoam containers, and anything that is designed for cold food like yogurt containers and water bottles are not microwave safe.


Because of companies like Tupperware, we can now access quality plastic products that are microwave safe to use. While not all Tupperware containers are microwave-safe, the ones that are microwavable are trustworthy for best heating results. It is of essence that you observe safety rules provided by the company to ensure consumer safety.

Finally, you should note that there various other microwave-safe options to Tupperware and among them are ceramics and glass.

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