Kitty'S Mock Cheese Souffle
["12 pieces bread (crusts removed)", "1 lb. sharp Cheddar cheese, grated", "4 eggs, slightly beaten", "2 2/3 c. milk", "1/4 lb. butter", "1/2 Tbsp. dry mustard", "1/4 c. chopped onion, sauteed in butter"]
["Butter bread pieces and cut in quarters.", "In a buttered casserole, place a layer of bread, then a layer of cheese to make 4 layers.", "Mix remaining ingredients and pour over layers.", "Cover and refrigerate for 12 hours, a must.", "Bake in pan of water at 350\u00b0 for 1 hour and 10 minutes."]
["bread", "Cheddar cheese", "eggs", "milk", "butter", "dry mustard", "onion"]