Put potatoes in a large pot and cover with water.
Boil for 20 minutes until tender.
Drain and set aside.
Preheat oven to 425.
Spray baking sheet with non stick spray.
Place potatoes on prepared baking sheet.
Using a potato masher or fork, gently mash each potato to slightly flatten.
Mix together melted butter and garlic.
Drizzle each potato with garlic butter mixture.
Season each with salt and pepper.
Dust with Parmesan cheese and parsley flakes.
Bake for 20 minutes, or until golden brown. If potatoes are not browned enough broil for 1-2 minutes.