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Microwave, Freezer, and Dishwasher Rules: How to Reheat, Freeze, and Clean Tupperware Safely.

Tupperware has become a kitchen essential for many households around the world. It’s loved for its convenience, durability, and fresh-keeping magic. But are you using your Tupperware the right way when it comes to the microwave, freezer, or dishwasher? Let’s uncover the golden rules so your containers last longer and your meals stay safe and delicious.


Microwave Rules: Reheating Food the Safe Way

Not all Tupperware is created equal. Check that “microwave safe” symbol before popping your container in. Most modern Tupperware can handle quick reheats, but you should avoid cooking greasy or sugary foods for long periods—they can get hotter than the container can handle.

  • Remove the lid or at least pop a corner for steam to escape.

  • Avoid reheating tomato sauces or curries that could stain.

  • Reheat in short bursts and stir midway to distribute heat evenly.

Never use Tupperware with cracks or warping, as this could mean the plastic is no longer food safe.


Freezer Rules: Storing Food for Freshness

Planning to freeze stock, soups, or prepped veggies? Good call! Tupperware shines in the freezer—if you follow a few easy steps.

  • Always leave space at the top. Liquids expand as they freeze.

  • Use containers labeled “freezer-safe” to avoid cracking.

  • Let hot food cool before sealing and freezing to prevent excess condensation.

  • Don’t overload. Smaller portions freeze (and thaw) faster and more evenly.

Label with the freeze date so nothing’s forgotten in the depths of your freezer.


Dishwasher Rules: Getting Squeaky Clean

Tupperware is designed for busy lives, and that includes easy cleanup. Most containers are top-rack dishwasher safe, but there’s a method to the madness.

  • Place containers and lids on the top rack only. The heat below can warp plastic.

  • Secure small lids so they don’t fall on the heating element.

  • Skip scouring pads and abrasive detergents; gentle cleansers preserve the surface.

  • Dry thoroughly before nesting or storing to avoid odors and mildew.

For lingering smells (hello, garlic!), try soaking with baking soda before washing.


Final Tips: A Little TLC Goes a Long Way

  • Keep your set looking like new by occasionally washing by hand.

  • Don’t use old, stained, or warped containers for food.

  • Rotate your collection so wear-and-tear is spread out.

With just a little care, your Tupperware will serve you well through hundreds of meals, snacks, and storage adventures.

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Tupperware Brand Manifesto

Love is an act of trust, with no expiration date. It’s unique and personal. That is why Your trust is precious. It’s one thing to earn trust. But to sustain it across generations and cultures around the world is something altogether different. Tupperware began to acquire trust, from the moment it started enhancing people’s lives for over 75 years. Today our products and career opportunities continue to help bring goodness to daily life, for you, your loved ones, your communities and our planet. We don’t take your trust lightly. It’s why we obsess over quality and design, so that you don’t have to. It’s why we’re committed to doing the right thing—for today and all the tomorrow’s to come. There may be many who try to be like us, but there is only One Tupperware.


Choose Good Everyday. Choose Tupperware.