This classic buttercream frosting is light, fluffy, and perfect for topping your favorite sugar cookies. It's easy to make with simple ingredients and can be customized to your desired sweetness and consistency.
Ensure your butter is softened to room temperature for the best results and a truly fluffy frosting. Sifting the powdered sugar prevents lumps and ensures a smooth consistency. Adjust the amount of milk or cream to achieve your desired frosting thickness.