Ingredients

• cooking spray , such as Pam®
• 2 cups diced cooked ham
• 2 tablespoons butter , or as needed
• 7 slices bread , crusts removed
• 0.5 pounds American cheese , cubed
• 3 cups milk
• 6 eggs , beaten
• 0.75 teaspoons dry mustard
• 0.75 teaspoons salt

Instructions

1. 1 Gather all ingredients.
2. 2 Spray a 9x13-inch casserole dish with cooking spray.
3. 3 Spread ham into the bottom of prepared casserole dish. Butter one side of each bread slice; cut slices into cubes. Arrange buttered bread cubes atop ham; layer American cheese over bread cubes.
4. 4 Whisk milk, eggs, mustard powder, and salt together in a bowl; pour over American cheese layer. Cover dish with aluminum foil and refrigerate 8 hours or overnight.
5. 5 Preheat oven to 350 degrees F (175 degrees C). Remove aluminum foil from casserole.
6. 6 Bake in the preheated oven until cheese is melted and eggs are set in the middle, about 1 hour.

Nutrition per serving