Bring potatoes to a boil in a large pot of water until potatoes are tender; usually between 10 and 15 minutes. Drain.
Preheat oven to 350 degrees.
Place potatoes on a rimmed baking sheet lined with tinfoil and coat with cooking spray.
Then lightly coat each potato with cooking spray.
Grab your hand held potato masher or fork. and gently mash each potato. DO NOT press all the way down to the surface of your baking sheet. Press each potato in the shape of a broken hockey puck.
For a crispier potato, let the steam escape for 5 minutes or so.
Drizzle melted butter over top of smashed potatoes.
Add desired amount of salt and pepper to potatoes.
Sprinkle cheese over top of each smashed potato.
Bake for 8 minutes or until cheese is melted.
Remove from oven and top each potato with sour cream, green onions or any toppings you prefer.