Ingredients:
Ingredient Checklist
1 slice leftover meatloaf
1 tablespoon margarine
2 slices bread
1 teaspoon ketchup, or to taste
3 slices Cheddar cheese
½ teaspoon prepared yellow mustard, or to taste (Optional)
Directions:
Place meatloaf on a microwave-safe plate; cook in the microwave on High, 30 seconds at a time, until heated through.
Melt margarine in a non-stick skillet over medium heat. Place both bread slices in a skillet over melted margarine.
Build a sandwich on a bread slice in this order: ketchup, 1 slice of Cheddar cheese, warm meatloaf slice, and mustard.
Flip the second slice of bread over onto a sandwich, cook until the bottom of the sandwich is lightly browned, about 2 minutes.
Flip sandwich with a spatula and place 1 slice of Cheddar cheese on top continue cooking until cheese melts slightly about 1 minute.
Flip the sandwich over and lay a remaining slice of cheese on top; cook until cheese on the bottom of the sandwich is melted and crisp, about 2 minutes.
Turn the sandwich over; cook until cheese is melted and crisp, about 2 minutes.