SLICED BAKED POTATOES!!! YES!!!!!

Ingredients

• 1 1/2 to 2 pounds potatoes (peeled and thinly sliced)
• 4 tablespoons melted butter (divided)
• 2 tablespoons minced onion
• 1 tablespoon fresh chopped parsley
• 1/2 teaspoon garlic powder or 1 large clove of garlic (pressed)
• 1/2 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• 1/2 cup good quality grated Parmesan cheese (divided)