8 to 10 slices frozen bread, cubed
2 1/2 lb. crab plus shrimp or scallops or combination of all
1 large can mushroom stems and pieces
10 oz. sharp cheese, shredded
4 eggs
2 c. milk
1/2 tsp. dry mustard
salt and pepper to taste

Layer 1/2 of bread cubes, seafood, mushrooms and cheese. Repeat. Beat eggs and milk with dry mustard, salt and pepper. Pour liquid over casserole and press firmly. Refrigerate overnight.

Bake at 350°F for 30 minutes.