Farmer's Favorite Casserole

8 frozen hash brown patties
3 cups shredded cheddar cheese
1lb cooked, cubed ham OR sausage
7 eggs
1 cup milk
1/2 tsp dry mustard
1/2 tsp salt

Arrange hash brown patties in a single layer in a greased 9x13 baking pan.
Sprinkle with meat and cheese; set aside.
In a bowl mix together the eggs, milk, mustard and salt.
Pour over top of mixture in the baking dish.
Cover and bake at 350 degrees for 1 hour.
Uncover and bake 15 min more.