Western Omelet Casserole

32-oz. bag frozen hash brown potatoes
1 lb. cooked ham, cubed
1 ½ cups hredded cheddar cheese
12 eggs
1 cup milk
1 tsp. salt
1 tsp. pepper

Layer one-third each of frozen potatoes, ham, and cheese in bottom of slow cooker. Repeat two times. Beat together eggs, milk, salt, and pepper. Pour mixture over previous ingredients. Cover and cook on low 8-9 hours.