12 slices bread
12 slices sharp cheese
6 eggs, beaten
3 1/2 c. milk
1/2 tsp. salt
1/2 tsp. pepper
1/4 tsp. dry mustard
2 c. ham, chopped

Layer bread and cheese in well buttered 11 x 13 baking dish. Combine rest and pour over bread and cheese. Butter top. Chill overnight or at least 1 hour. Bake 1 hour at 350 degrees. Let stand 5 minutes before cutting.