Make and share this Onion Omelet from the Ticino recipe from Food.com.
- Heat the butter and olive oil together in the skillet. Add the onions and cook until they are soft and golden.
- Season with salt and pepper to taste.
- Stir in the eggs. Cook over low heat until the omelet is golden on the top side.
- Turn and cook on the other side until it, too, is golden brown.