For four 1/2 inch slices meat loaf, prepare instant mashed potato puffs as directed on package for 4 servings; set aside.
Set oven control at broil and/or 550Â°.
Broil slices with tops 3 to 4 inches from heat 5 minutes.
Spread potatoes on slices and sprinkle with shredded cheddar cheese.
Broil until cheese is melted, about 2 minutes.