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Can You Microwave Tupperware? Tips For Using Tupperware

Tupperware has always been a time saver when reheating and cooking meals in the microwave. However, customers are concerned about its safety because of its association with the plastic line. Can you microwave Tupperware? Find the answer in this article! 

Can you microwave Tupperware?

Can you microwave Tupperware
Can you microwave Tupperware?

Tupperware made with cutting-edge features is regarded as microwave-safe. Use only Tupperware with a steam vent on the lid. It serves as a means of steam ventilation and pressure relief. Food should be stirred continuously while heated in the microwave at 3-minute intervals. Up to 120°C and low or medium power levels are the safe limits for a heating process.

Tupperware containers are described here, along with instructions on microwaving them safely.

Additionally, Tupperware is typically freezer and dishwasher safe. These containers are practical, strong, and simple to maintain.

Additionally, they come in various colors and designs so that decorators can honor this legendary company!

If you feel comfortable microwaving Tupperware or other plastic containers, you can lower the chance of deterioration and stains by often swirling the contents.

*** Read more: Can You Put Plastic In An Air Fryer? Expert Answers in 2023

Plastics Found In The Tupperware Line

A list of the plastics used in Tupperware’s product line has been released, which might allay your worries about microwaving.

Currently, Tupperware does not make use of PET (polyethylene terephthalate), PVC (polyvinyl chloride), or PS (polystyrene), which can be found in cling wrap and some containers for cooking oil (polystyrene, used to make Styrofoam take-out containers.)

What’s The Fuss About Bisphenol A?

For more than 40 years, can liners and food storage containers have had to include bisphenol A, a plastic hardener? It has been exposed to us, and part of it may still be in our bodies.

In newborns and young children, there is a chance that Bisphenol A will hurt the brain and endocrine system, specifically the prostate gland.

A new hardener called Bisphenol B has gradually replaced Bisphenol A in food storage containers. If this hardener is safe, only time will tell.

Move the food to non-reactive containers before heating it if you are worried that the chemicals in plastic will leech into it.

Tupperware Microwave Safe Symbol

Tupperware Microwave Safe Symbol
Tupperware Microwave Safe Symbol

Manufacturers of industrial goods have access to a variety of plastic compounds. Then which plastics are employed in the Tupperware product line?

The two types of Tupperware containers are:

– Microwave-induced melting of the plastic.

– Chemicals are leaking into meals from plastic.

Tupperware has provided a detailed plastics chart to help further comprehend the “Resin ID Codes” found in their wide range of products to allay microwaving concerns.

One technique is to determine whether the Tupperware container has microwave safety certification. Search for the three wavy line “microwave safe” sign at the bottom of the container.

Use caution while using Tupperware or plastic containers in the microwave if the bottom of the container is blank with labels or symbols. Not even for food storage!

Tupperware has expanded its research and created an extensive line regarded as microwave safe and BPA-free, even though many of its products are not intended for cooking. Since March 2010, all Tupperware products sold in the US and Canada have become BPA-free.

*** Read more: Can You Put Aluminum Foil In An Air Fryer – How To Use Safely

Better Safe Than Sorry?

There are several plastic products, so avoiding them may leave you with limited choices. Glass is heavy and deadly if broken, yet non-reactive and straightforward to maintain.

Consider your refrigerator and freezer as plastic-safe zones because recent research on food preservation indicates that plastics are relatively safe for food in cold circumstances. However, avoid using plastic in the microwave.

It must be emphasized once more: before microwaving food, place it in a non-reactive glass or ceramic dish if you are concerned about plastics and heat.

The use of plastics is evolving. Thus, packaging that was utterly secure today might not be secure tomorrow.

Difference Between A Microwave Safe And A Non-Microwave Safe Plastic Container

Microwave safe vs Non-microwave safe plastic container
Microwave safe vs Non-microwave safe plastic container

There are two critical distinctions between plastic containers that can be microwaved and those that cannot. One factor determining whether something has been built to resist high temperatures from being heated in a microwave is the design and the sorts of plastic materials used. The usage of hazardous substances by the container also makes a difference.

In food packaging, plastic comes in two varieties. While excellent plastics can resist the high heat of microwaving, inferior plastics can cause chemical leaching and other harmful effects that are hazardous to you. BPA is a prevalent chemical that causes worry.

Many different plastic containers contain BPA, also known as bisphenol A, a plastic hardener. This substance has been recognized as an endocrine disruptor associated with various health issues, including cardiovascular disorders, problems with fertility, an increased risk of cancer, diabetes, and more.

It is also necessary for the containers to be BPA-free in addition to being labeled as microwaveable in order for them to be safe for use in the microwave. Never microwave or even store food in a plastic Tupperware container that is not marked with a microwave-safe and BPA-free emblem on the bottom.

Can You Microwave Tupperware With The Lid On?

If you use a microwave-safe Tupperware container with specially engineered lids and a steam-vent feature, you can microwave Tupperware with a lid on. This method of microwave cooking can prevent spills and mess inside your microwave.

However, keep in mind that the vent needs to be opened before microwaving the Tupperware. Opening the vent will stop hot liquid from spilling out of your Tupperware and also stop steam from accumulating inside the plastic, which might lead to a hazardous pressure buildup.

Tips For Heating Food Safely Using Tupperware Food Containers In The Microwave

Tips For Safely Using Tupperware In The Microwave
Tips For Safely Using Tupperware In The Microwave
  • Avoid rough scrubbing or scratching the container. Harsh scrubbing can lead to the coating chipping away and releasing toxic substances.
  • Before microwaving the Tupperware, open the vent.
  • Always reheat food for brief periods, no more than three minutes.
  • Steer clear of heating foods that are high in sugar or fat. These foods have very extreme heat tolerance.
  • Never reheat leftovers in the microwave more than once.
  • Only reheat food in Tupperware rather than cooking it in the microwave.
  • Microwave meals on a medium-high power setting.
  • Do not fill your car past the line.
  • Be careful only to use Tupperware food containers with the recycling numbers 2, 4, and 5, and continue to check the recycling number.
  • Use a microwave with a rotating control panel if you have one so that the food is rotated evenly.

*** Read more: What To Put Under The Air Fryer To Protect The Countertop?

Frequently Asked Questions

#1. How Long Can You Microwave Tupperware?

To guarantee consistent heating throughout the food, the Tupperware Microwave Guide recommends heating Tupperware items in 3-minute intervals while stirring constantly.

Based on their needed power limit, these products are divided into the following three sections:

– Set a 500-watt power limit for Basics Tupperware Containers while reheating food in them.

– Set the power restriction for Daily Use Tupperware Makers, which are used for reheating and defrosting, at 360 watts to 900 watts depending on the amount of food.

– Use Tupperware products for defrosting, reheating, steaming, and rapid cooking on the Premium Range. They can withstand heat up to 120°C. The microwaveable product can readily deform and melt above this temperature threshold. The required relative power limit is also up to 900 watts.

#2. How to clean and remove stains from Tupperware?

Use a gentle sponge and a smooth cleaner to clean Tupperware. Put the Tupperware on the top rack if it has a dishwashing label. Otherwise, please stay away from washing it under harsh circumstances. Pour a solution of vinegar and water into the container to remove stains. Additionally, let it soak all night.

Remove stains from Tupperware by using vinegar
Remove stains from Tupperware by using vinegar

#3. When to throw away Tupperware?

How well you take care of the container affects how stable Tupperware is. Do not microwave or store food in Tupperware that has become cracked and deformed. Thanks to its lifetime guarantee, you can ask the manufacturer to repair any broken Tupperware.

#4. What Are Better Alternatives To Reheat Food Using Microwave?

You may reheat your meals in various methods, including the microwave and other types of containers. For instance, you can microwave glass or ceramic dishes without being concerned about chemicals leaking into your food. You may also reheat food on the stovetop or in a toaster oven.

#5. What Methods Of Reheating Food Are Safe?

– Over the stove. You can use a pan on the cooktop. Reheat food until a food thermometer reads at least 165 °F.

– Within the oven. Food should be reheated in a toaster oven until it reaches a temperature of 165°F inside.

– Within a microwave. Use medium-high power and heat the meal in the microwave until it reaches at least 165 °F when reheating food. For even heating, stir, cover, and rotate the meal.

– Never reheat leftovers in a slow cooker or steam table as the food may spend too much time in the “danger zone” (between 40 °F and 140 °F). At this range, bacteria start to expand swiftly.

*** Read more: Home Tip: Can I Put Glass In An Air Fryer? Is It Break?


In conclusion, Tupperware items can all be heated in a microwave. They create a symbol that can be used in a microwave along with other relevant instructions. So, abide by the rules to avoid running into any health hazards.

First, avoid using scratched containers to prevent chemicals from leaking into the food. Place the least amount of food possible because this promotes an equitable heat distribution. These BPA-free Tupperware containers must not exceed the standard heat temperature. Set a power limit and stir the meal for three minutes each time.

To properly reheat the meal, cover it with a lid on the steam vent. Additionally, stir the meal between intervals as needed.

Most importantly, stay away from cooking at high heat for an extended period. Tupperware will become deformed as a result. Therefore, limiting their use to warming, steaming, and defrosting is advisable. These procedures do not damage the product or meal and require lower heating temperatures.

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