Raw Meat

Cooking raw meat in a microwave could be dangerous because the radiation makes the meat much hotter than it would be if you used another method of cooking. Since many germs and bacteria live on the surface of uncooked meats, this hot steamy environment provides ample opportunity for bacteria to spread and multiply rapidly – which could leave you with an unpleasant case of food poisoning. Even for ground meats, it’s best to cook them on the stovetop or grill to kill any harmful bacteria that could be living on their surface.
Hot Peppers

Hot peppers are great for adding a spicy kick to your meals, but they should never be microwaved. In addition to making these vegetables tough and chewy, microwaving them also releases acrid fumes that will make your eyes burn – not only during the cooking process but even hours after you’ve finished preparing your meal. If you want a hot pepper with a little more flavor and aroma, try roasting them in an oven instead of using the microwave.
Breast Milk

Breast milk is one of the best foods for newborn babies, but microwaving it can destroy some of its health benefits. The microwave radiation can alter compounds like amino acids and proteins in breast milk that help fight off infections in infants. Cooking these substances with heat or high-pressure processing can actually change them, so they aren’t as healthy anymore. Breast milk is safest when it’s prepared cold and given to your baby immediately after you express it from your body.
Rice

Rice is a popular side dish at many restaurants, but the grains have been known to become hard and crunchy after being microwaved. The problem is that when rice becomes microwaved, it actually changes the chemical structure of the grain into something indigestible by humans. It’s not deadly or harmful if you do decide to eat this type of cooked rice, but eating it will just leave you feeling uncomfortably full for longer than usual. Food poisoning can sometimes result from microwave cooking rice.
Spinach And Other Leafy Greens

Leafy greens like spinach and kale offer many health benefits, including high amounts of iron, calcium, potassium, and vitamin C. They’re also great additions to various dishes that taste delicious, both hot and cold – which is why you might not think twice about microwaving them. Unfortunately, the same radiation that heats up your food can also destroy nutrients like vitamin C and carotenoids, making these greens less healthy than they were original.
Conclusion
There are a few types of foods that you should never microwave, as they can be dangerous to your health or simply don’t taste very good when microwaved. Hard-boiled eggs, coffee and tea, raw meat, breast milk, rice, spinach, and other leafy greens are all best prepared using different cooking methods than the microwave. By following these simple guidelines, you can avoid ruining your food’s nutritional value or taste and keep yourself healthy in the process!