Instructions

  1. Layer in a large casserole dish sprayed with cooking spray 4 slices of bread, 4 slices of ham, 4 slices of each cheese.
  2. Repeat.
  3. Mix eggs, milk, mustard, and onion and pour over layers.
  4. Cover and refrigerate overnight.
  5. In the morning cover with corn flakes and drizzle melted margarine over.
  6. Bake at 350 for 30 to 40 minutes uncovered.
  7. Prep time does not include overnight time.