Ingredients

• 1/2 teaspoon dried crushed red pepper flakes
• 3 tablespoons butter, melted
• 1 1/4 cups milk
• 1 1/2 cups whipping cream
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper, freshly ground
• 2 1/2 lbs red potatoes, unpeeled and cut into 1/8 inch slices
• 1 cup gruyere cheese or 1 cup swiss cheese, shredded
• 1/4 cup parmesan cheese, grated
• 1 large garlic clove, minced
• 1 shallot, chopped