“Start by looking for a ‘Power Level’ or ‘Cook Power’ button on the microwave’s front panel,” Chen explains. If pressing this button brings up a PL or 100% symbol on your screen, you ...

“This means that when you set your microwave to power level five, or 50% power, there are waves bouncing around inside only 50% of the time, allowing the food to cook more gently.” ...

The first reason is that the microwave heating process can be uneven, which is why parts of a reheated dish can be hotter than others (sometimes overcooked), which are known as "cold spots ...