Foods You Should Never Microwave

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9 November 2025

Eggs (in shell): Microwaving whole eggs can cause steam to build up inside the shell, making them explode and create a mess or even cause injury

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Breast Milk or Baby Formula: Microwaving can heat these unevenly, creating hot spots that might burn a baby's mouth

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3. Grapes: When microwaved, grapes can spark or even catch fire due to the way their skin reacts to microwaves

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4. Hot Peppers: Heating hot peppers releases capsaicin fumes, which can irritate your eyes and throat

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5. Processed Meats (like hot dogs): These can heat unevenly, sometimes releasing harmful chemicals or becoming dangerously hot in spots

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6. Leafy Greens: High mineral content in greens like spinach or kale can cause sparks or small fires when microwaved

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7. Styrofoam Containers: Many aren't microwave-safe and can melt, releasing toxic chemicals into your food

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8. Water: Microwaving water can cause it to become superheated and suddenly boil over or explode when disturbed

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