Which food packaging innovation, introduced in the 1950s, revolutionized supermarket freezer sections and was initially met with consumer skepticism but is now used for billions of products annually?

Product innovation in the food industry has transformed how we shop and eat. Some innovations become so ubiquitous we forget they were once revolutionary breakthroughs. This trivia question explores a game-changing food preservation technology that dramatically altered supermarket layouts, extended product shelf life, and changed consumer shopping habits. Test your knowledge about the historical developments that shaped modern food retail!

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Flash-frozen vegetables in boilable pouches
Vacuum-sealed meat packaging
TV dinner aluminum trays with compartments
Wax-coated cardboard milk cartons