|Source: Pat Landis, Main Library (2005)|
|Prep time: 8 1⁄6 hours||Cooking time: 15 minutes||Total time: 8 5⁄12 hours|
Cut bread into 1-inch cubes. Melt cheese and margarine in double boiler till bubbly. Fold in egg whites. Dip bread cubes in mixture and place on cookie sheet 1/2 inch apart. Chill overnight. Bake at 400 degrees for 12-15 minutes.