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Three chocolate bailey's irish cream cupcakes with light green buttercream frosting are on a white platter.

Bailey's Irish Cream Cupcakes for St. Patrick's Day

These Bailey's Irish Cream Cupcakes will be a mainstay on your St. Patrick's Day menu! The chocolate cupcakes are made with Guinness for extra flavor, and topped with a green-tinted Bailey's Irish Cream buttercream frosting. They're so flavorful, yet easy enough to throw together at the last minute!
Print Recipe

Ingredients

  • 1 cup Guinness Stout
  • 1 cup unsalted butter
  • ¾ cup unsweetened cocoa powder
  • 2 cups all purpose flour
  • 2 cups sugar
  • 1 ½ teaspoons baking soda
  • ¾ teaspoon salt
  • 2 large eggs
  • cup sour cream

For the buttercream frosting:

  • 1 cup butter softened
  • 4 cups powdered sugar
  • 3 TBSP Bailey's Irish Cream

Optional:

  • food coloring

Instructions

For the cupcakes:

  • Preheat oven to 350°F.
  • Line 24 cupcake cups with liners.
  • Bring 1 cup stout and 1 cup butter to simmer in heavy large saucepan over medium heat.
  • Add cocoa powder and whisk until mixture is smooth. Cool slightly.
  • Whisk flour, sugar, baking soda, and 3/4 teaspoon salt in large bowl to blend.
  • Using electric mixer, beat eggs and sour cream in another large bowl to blend.
  • Add stout-chocolate mixture to egg mixture and beat just to combine.
  • Add flour mixture and beat briefly on slow speed.
  • Using rubber spatula, fold batter until completely combined.
  • Divide batter among cupcake liners, filling them 2/3 of the way.
  • Bake cupcakes until tester inserted into centers comes out clean.
  • Cool cupcakes on a rack completely.

For the buttercream frosting:

  • Place room temperature, softened butter into the bowl of mixer.
  • Cream for three minutes.
  • Add powdered sugar slowly and not all at once or it will fly all over the room.
  • Add Bailey's Irish cream and then mix on medium high for another 3 minutes.
  • Add food coloring if desired.
Course: Dessert
Cuisine: American
Keyword: Bailey's Irish Cream Cupcakes