Amish Breakfast Casserole

Ingredients:
1 lb. sliced bacon, diced
1 med sweet onion
6 eggs, lightly beaten
4 cups frozen shredded hash brown potatoes, thawed
2 cups shredded cheddar cheese
1 1/2 cups small curd cottage cheese
1 1/4 cups shredded Swiss cheese
In a large skillet, cook bacon and onion until bacon is crisp; drain. In a bowl, combine the remaining ingredients; stir in bacon mixture. Transfer to a greased 13x9 baking dish. Bake uncovered at 350 for 35-40 minutes or until set and bubbly. Let stand 10 minutes.