What causes food to spark in microwave?

Minerals and metal: Dense vegetables such as green beans, carrots, spinach, and green peppers contain a higher amount of minerals in them than other types of food. These minerals – which include iron, magnesium, and selenium – act like tiny pieces of metal and create what is known as an “arcing … Read full review

Why do things pop in the microwave?

If the food has a high water content, like an egg or potato, the water expands and turns to steam. Without a way for the steam to escape, the internal pressure rapidly builds until the food explodes. How do you keep food from popping in the microwave? In order to reduce … Read full review