This is a gluten-free Alfredo sauce. It can be used as a pasta sauce, a topping for baked potatoes, or a sauce for pizza.
Melt butter in a heavy saucepan over medium heat. Slowly add cream, stirring until well combined, about 3 minutes. Add Parmesan cheese; cook and stir until well incorporated, about 3 minutes. Stir in garlic powder, nutmeg, and black pepper and cook for 2 minutes. Serve sprinkled with fresh parsley.