Potatoes Au Gratin - VeryVera

Ingredients

• 1 1/2 lb baking potatoes (about 2 baking potatoes)
• 1/2 c grated Swiss cheese
• 1/2 c grated Gruyere cheese
• 1/2 c grated Parmesan cheese
• 1 c heavy cream
• 1 tsp. kosher salt
• 1/2 tsp. freshly ground black pepper
• 2 tbsp. unsalted butter, melted