2 c. frozen hash browns
1 c. Cheddar cheese, grated
2 tbsp. chopped onion
1 lb. mild sausage
4 oz. mushrooms (optional)
6 eggs
1/2 tsp. salt
1/2 tsp. pepper
2 c. milk
1 tsp. dry mustard (optional)

Brown and drain sausage. Set aside. Thaw potatoes and place 1/2 in bottom of 9x13 inch casserole (or 3 broken slices of bread may be substituted.) Add 1/2 of cheese and 1/2 of sausage and repeat.

Beat eggs, salt, pepper, chopped onions, mustard and milk. Add mushrooms on top if desired. Pour liquid over top of potatoes and cheese. Leave in refrigerator overnight. Bake at 350 degrees for 45 minutes. Yield: 6 servings.