Add Yahoo as a preferred source to see more of our stories on Google. A close-up of food frozen in glass tupperware containers - LaMerce/Shutterstock If you're someone who loves to meal prep, your ...

They’re oven-, microwave-, freezer-, and dishwasher-safe. Tupperware’s fame is so absolute that its name is synonymous with the food storage container category as a whole. My family exclusively refers ...