Ingredients for - Christmas Morning Egg Casserole

1. Cooking spray (such as Pam®)
2. Diced cooked ham 2 cups
3. Butter, or as needed 2 tablespoons
4. Bread, crusts removed 7 slices
5. American cheese, cubed ½ pound
6. Milk 3 cups
7. Eggs, beaten 6
8. Dry mustard ¾ teaspoon
9. Salt ¾ teaspoon

How to cook deliciously - Christmas Morning Egg Casserole

1 . Stage

Gather all ingredients. Dotdash Meredith Food Studios

2 . Stage

Spray a 9x13-inch casserole dish with cooking spray.

3 . Stage

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. Dotdash Meredith Food Studios

4 . Stage

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. Dotdash Meredith Food Studios Dotdash Meredith Food Studios

5 . Stage

Preheat oven to 350 degrees F (175 degrees C). Remove aluminum foil from casserole. Dotdash Meredith Food Studios

6 . Stage

Bake in the preheated oven until cheese is melted and eggs are set in the middle, about 1 hour. Dotdash Meredith Food Studios