Food and Recipes Desserts Buttermilk Frosting Recipe 5.0 (1) 1 Review Buttermilk Frosting is a quick and easy frosting to whip up. Spread Buttermilk Frosting over your favorite cookie and decorate as desired with candies and sugar crystals—they adhere easily to the Buttermilk Frosting. By Southern Living Editors Published on October 3, 2018 Print Rate It Share Share Tweet Pin Email Photo: Lee Harrelson; Styling: Jan Gautro Hands On Time: 10 mins Total Time: 10 mins Yield: 2 cups Ingredients 1/2 cup butter, softened 1 (16-oz.) package powdered sugar 1 teaspoon vanilla extract 4 to 5 Tablespoons buttermilk Directions Beat butter at medium speed with an electric mixer until creamy. Gradually add powdered sugar, beating at low speed until blended. Slowly beat in vanilla and 4 Tbsp. buttermilk. Increase speed to medium, and beat until smooth. If desired, beat in remaining 1 Tbsp. buttermilk, 1 tsp. at a time, until desired consistency is reached. Rate it Print