Biscuits and Gravy

Name: Biscuits and Gravy
Prep time: 15 min
Cook time: 20 min
Total time: 40 min
Yield: 4
Ingredients: Ingredients; Biscuits; 2 cups all-purpose flour; 1 tablespoon baking powder; 1/2 teaspoon baking soda; 1 teaspoon salt; 1 tablespoon sugar; 6 tablespoons cold unsalted butter, cubed; 3/4 cup cold buttermilk; 2 tablespoons melted butter (for brushing); Sausage Gravy; 1 lb breakfast pork sausage (regular or spicy); 1/3 cup all-purpose flour; 3 cups whole milk; 1/2 teaspoon salt; 1 teaspoon black pepper (or more to taste); 1/4 teaspoon garlic powder; 1/4 teaspoon onion powder; Pinch of cayenne pepper (optional)