- 1/4 cup butter or margarine, melted
- 3 eggs, separated
- 2 cups milk
- 1/2 teaspoon dry mustard
- 1/2 teaspoon salt
- 1/4 teaspoon cayenne pepper
- 9 slices bread, cut into 1/2 inch cubes
- 3 cups shredded Cheddar cheese
- In a large bowl combine butter, egg yolks, milk, mustard, salt and cayenne pepper. Stir in bread cubes and cheese. In another bowl, beat egg whites until soft peaks form; fold into bread mixture. Pour into a greased 9-in. square baking dish. Cover and chill for 8 hours or overnight. Remove from refrigerator 30 minutes before baking. Bake, uncovered, at 350 degrees F for 40-45 minutes or until a knife inserted near the center comes out clean. Let stand 5 minutes before cutting.