Want an elegant mushroom appetizer without the fuss of hand-stuffing mushroom caps? Learn how to saute mushrooms for a simple yet flavorful dish; they're delicious on their own or served on top of crostini. You can use a mixture of mushroom types -- such as shiitake, oyster, or maitake -- to maximize on earthy flavor, but the beauty of sauteing mushrooms is that even white button mushrooms end up golden brown and delicious. The trick to sauteing mushrooms is keeping the heat at medium-high or high: Mushrooms contain a high percentage of water, and high heat helps evaporate the liquid the mushrooms exude during cooking and allows them to brown; use low heat, and the mushrooms will wind up gray and soggy.