Preheat oven 350° F. Grease 13-inch glass baking dish. Microwave bacon, remove. Add onion to bacon fat, microwave; remove. Combine eggs, potatoes, cheese, and pepper.
Crumble bacon and mix into egg mixture. Add onions. Pour into prepared baking dish. Bake until center is set, 45 mins. Cut into squares.
Servings: 6