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chocolate cupcake with green tinted white chocolate Shamrock on top.

St. Patrick's Day Cupcakes

Course: Dessert
Cuisine: American, Irish
Keyword: chocolate cupcakes, St. Patrick's Day cupcakes,
Prep Time: 20 minutes
Cook Time: 20 minutes
Total Time: 40 minutes
Servings: 18
Calories: 496kcal
Author: Laureen King
St Patrick's Day Cupcakes start with a sensational made from scratch chocolate cupcake recipe. They are decorated with Baileys Irish cream frosting and topped with a white chocolate Shamrock.
Print Recipe


  • cup butter softened
  • 1 ¾ cups sugar
  • 1 tsp vanilla
  • 3 eggs
  • ½ cup cocoa powder
  • 2 cups all purpose flour
  • ¾ tsp baking soda
  • 1 tsp baking powder
  • ½ tsp salt
  • 1 ½ cups buttermilk
  • Frosting
  • 1 cup butter room temperature
  • 4 cups icing sugar
  • 7 tbsp Baileys Irish Cream
  • For Shamrock Decorations
  • 8 oz white chocolate good quality
  • green gel food colouring


  • Heat oven to 350°F.
  • Line cupcake pan with paper liners for 18 cupcakes
  • Beat butter, sugar, eggs and vanilla in large bowl until fluffy.
  • In separate bowl combine flour, cocoa, baking powder, baking soda and salt.
  • Add alternating flour mix and buttermilk to mixture, beating just until smooth.
  • Pour batter into prepared cupcake pan.
  • Bake 20 to 30 minutes or until wooden pick inserted in center comes out clean.
  • Cool completely before frosting.
  • Baileys Irish Cream Frosting
  • Beat butter and icing sugar together until fluffy.
  • Add 7 tablespoons of Baileys Irish Cream, beat until well combined.
  • If necessary add more Irish Cream until spreadable consistency.
  • White Chocolate Shamrocks
  • Melt 1 cup white chocolate in double boiler or microwave (50% power). Spread evenly onto parchment paper.
  • Before chocolate cools, dip tip of toothpick into green food colouring gel. Then using tip of toothpick make swirls into the chocolate.
  • Let cool, then cut out with Shamrock shaped cookie cutter.
  • You may have to cool in refrigerator for short time to harden enough to cut shapes.


Calories: 496kcal | Carbohydrates: 68g | Protein: 5g | Fat: 24g | Saturated Fat: 15g | Cholesterol: 77mg | Sodium: 305mg | Potassium: 152mg | Fiber: 1g | Sugar: 55g | Vitamin A: 602IU | Vitamin C: 1mg | Calcium: 72mg | Iron: 1mg