Amish Breakfast Casserole

1 lb. sliced bacon, diced
1 medium sweet onion, chopped
6 eggs, lightly beaten
4c. frozen shredded hash browns, thawed
2c. shredded cheddar cheese
1 1/2c. small curd cottage cheese
1 1/4c. 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 greased 13x9x2 inch baking dish. Bake uncovered, at 350 for 35-40 minutes or until set and bubbly. Let stand for 10 minutes before cutting. 12 servings