Recipes and Cooking Shamrock Shake Cupcakes This shamrock-inspired cupcake is the perfect St. Patrick's Day recipe. It offers all the great flavors of the popular fast-food milkshake, but in a cute-as-can-be dessert recipe. By BHG Test Kitchen BHG Test Kitchen The Better Homes & Gardens Test Kitchen has been in continuous operation for nearly 100 years, developing and testing practical, reliable recipes that readers can enjoy at home. The Test Kitchen team includes culinary specialists, food stylists, registered and licensed nutritionists, and other experts with Bachelor of Science degrees in food science, food and nutrition, or culinary arts. Together, the team tests more than 2,500 recipes, produces more than 2,500 food images, and creates more than 1,000 food videos each year in the state-of-the-art test kitchen. Learn about BHG's Editorial Process Updated on February 20, 2018 Print Rate It Share Share Tweet Pin Email Prep Time: 50 mins Stand Time: 30 mins Bake Time: 15 mins Cool Time: 45 mins Total Time: 50 mins Servings: 20 Yield: 20-22 (2-1/2 inch) cupcakes Jump to Nutrition Facts Ingredients 4 egg whites 2 cup all-purpose flour 1 teaspoon baking powder ½ teaspoon baking soda ½ teaspoon salt 1 cup buttermilk or sour milk* ¼ cup green creme de menthe** ½ cup shortening 1 ¾ cup sugar 1 teaspoon vanilla 1 recipe White Chocolate Frosting Green food coloring White Chocolate Frosting 1 cup butter, softened 6 ounce white baking chocolate with cocoa butter, chopped ⅓ cup whipping cream 1 ½ cup powdered sugar Directions Allow egg whites to stand at room temperature for 30 minutes. Meanwhile, line twenty to twenty-two 2-1/2-inch muffin cups with paper bake cups. In a medium bowl stir together flour, baking powder, baking soda, and salt. In a 2-cup glass measuring cup combine the buttermilk and the creme de menthe. Set aside. Preheat oven to 350 degrees F. In a large mixing bowl beat shortening with an electric mixer on medium to high speed for 30 seconds. Gradually add sugar, about 1/4 cup at a time, beating on medium speed until light and fluffy. Beat in vanilla. Add egg whites, one at a time, beating well after each addition. Alternately add flour mixture and buttermilk mixture to shortening mixture, beating on low speed after each addition just until mixture is combined. Spoon batter into prepared muffin cups, filling each about two-thirds full. Use the back of a spoon to smooth out batter in cups. Bake for 15 to 18 minutes or until tops spring back when lightly touched. Cool cupcakes in muffin cups on wire racks for 5 minutes. Remove cupcakes from muffin cups. Cool completely on wire racks. Divide White Chocolate Frosting between two bowls. Tint one portion with green food coloring. Spoon each frosting into a pastry bag fitted with a large star tip. Pipe white and green frostings onto tops of cupcakes to resemble four-leaf clovers. Makes 20 to 22 (2-1/2 inch) cupcakes. White Chocolate Frosting Place white baking chocolate in a large mixing bowl; set aside. In a small saucepan heat whipping cream just until simmering. Pour over white baking chocolate; let stand, without stirring, for 5 minutes. Stir until smooth; let stand for 15 minutes. Gradually beat butter into melted white chocolate mixture with an electric mixer on medium to high speed, beating until combined. Gradually beat in powdered sugar until frosting reaches piping or spreading consistency. Makes 3-1/2 cups. Blaine Moats *Test Kitchen Tip: For each 1 cup sour milk, place 1 tablespoon lemon juice or vinegar in a glass measuring cup. Add enough milk to make 1 cup total liquid; stir. Let stand for 5 minutes before using. **Test Kitchen Tip: If you prefer not to use creme de menthe, substitute a mixture of 1/4 cup milk, 1 teaspoon mint extract, and several drops green food coloring. Rate it Print Nutrition Facts (per serving) 358 Calories 18g Fat 43g Carbs 3g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 20 Calories 358 % Daily Value * Total Fat 18g 23% Saturated Fat 10g 50% Cholesterol 32mg 11% Sodium 208mg 9% Total Carbohydrate 43g 16% Total Sugars 33g Protein 3g Calcium 50.5mg 4% Iron 0.5mg 3% Potassium 77mg 2% Fatty acids, total trans 1g Folate, total 24.2mcg Vitamin B-12 0.1mcg Vitamin B-6 0mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.