Sweet potatoes are very tasty, and can actually be a very good part of a healthy diet. They can also take a while to cook in the oven. I always prepare my sweet potatoes in the microwave. Sweet potatoes are very tasty, and can actually be a very good part of a healthy diet. They can also take a while to cook in the oven. I always prepare my sweet potatoes in the microwave. They come out soft, and just as tasty as an oven baked sweet potato. The process of using the microwave to bake your sweet potato only takes minutes, and is very easy to do.