[header] How to cook in a microwave oven [title] Separate foods by cooking time. [step] Some foods take longer than others to cook. Specifically, larger and thicker foods will need longer than thinner and smaller foods. 
To prevent large food from undercooking and small food from overcooking, separate the food and cook it separately. [substeps] Starchy vegetables like potatoes and sweet potatoes tend to need the longest cooking time, followed by meat, and then smaller vegetables need the shortest time.