Microwaved Potatoes Lyonnaise is a quick and easy side dish that combines tender potatoes with caramelized onions. The potatoes are thinly sliced and cooked in the microwave until they are soft and golden. The onions are sautéed until they are sweet and golden brown, adding a rich and savory flavor to the dish. This recipe is perfect for busy weeknights when you need a delicious and satisfying side dish in a hurry.