Ingredients for - Sandwich French Toast Casserole

1. Cooking spray
2. Whole wheat bread, or more to taste 6 slices
3. Butter, or as needed 1 tablespoon
4. Deli ham, or more to taste 12 slices
5. Swiss cheese, or more to taste 6 slices
6. Milk ½ cup
7. Eggs 4
8. Worcestershire sauce 1 teaspoon
9. Mustard powder ½ teaspoon
10. Salt and ground black pepper to taste ½ teaspoon

How to cook deliciously - Sandwich French Toast Casserole

1 . Stage

Preheat oven to 350 degrees F (175 degrees C). Spray the inside of a 9x13-inch casserole dish with cooking spray.

2 . Stage

Spread butter on one side of each bread slice; top each bread slice with 2 slices ham and 1 slice Swiss cheese. Arrange open-faced sandwiches in the prepared casserole dish, overlapping them to fit.

3 . Stage

Whisk milk, eggs, Worcestershire sauce, mustard powder, salt, and pepper together in a bowl; pour milk mixture over the open-faced sandwiches. Allow milk mixture to soak in for at least 15 minutes.

4 . Stage

Bake in the preheated oven until eggs are set and casserole is cooked through, about 20 minutes.