Caramelized onions add a sweet and savory flavor to pierogi. They are easy to make, by sautéing onions in a little butter over low heat until they are golden brown and soft. Sprinkle with salt and ...
But what about side dishes ... baking dish. Cover with foil and bake in the preheated oven for 25 minutes. Remove the foil and bake for an additional 10-15 minutes until the top is golden brown and ...