Irish Car Bomb Cupcakes

March 18, 2013 (Last Updated: June 29, 2020)
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Irish Car Bomb Cupcakes feature a Guinness chocolate cupcake filled with Irish whiskey ganache, topped with Baileys Irish Cream buttercream! These are delicious edible variations of the politically incorrect cocktail of the same name. Regardless of what you call them, they are delicious celebratory sweets perfect to honor St. Patrick’s Day!

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate.

Long after your green tee-shirts and shamrock-covered hats are put into hibernation, these cupcakes will still haunt you. The name comes from a cocktail where a shot of Irish whiskey and Baileys Irish Cream is dropped into a pint of Irish stout (typically Guinness). Unlike the alcoholic beverage, which can curdle if not drunk fast enough, these cupcakes will not give you a hangover the next day (contrary to popular belief).

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate.

What do Irish Car Bomb Cupcakes taste like?

The cupcakes themselves acquire an Earthiness from the Guinness, but otherwise taste mostly of chocolate. Moist, delicious, and fluffy chocolate. The best kind! The whiskey ganache filling is reminiscent of those little chocolates filled with liquor. You know, the ones at the duty free shop at the Canadian border in the mid-90s. They were my first taste of alcohol when I was decidedly underage. That whiskey ganache and the Baileys buttercream will collectively punch you in the face. Bam! These cupcakes are no laughing matter.

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate.

You may feel equally as guilty afterwards, be it from the decadent Baileys buttercream or the whiskey-spiked ganache filling, but life is a celebration so I say just go with it. St. Patrick’s Day is typically a holiday of excess so if you’re not being a little naughty, then what’s the point?

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate.

In fact, transporting these cupcakes to my friends’ house made my car smell like Baileys. My entire car. I’m pretty sure my car would have failed a Breathalyzer if it were human. I’m so glad I wasn’t pulled over. They wouldn’t have believed me. The sacrifices we make for baked goods.

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate.

Other cupcake recipes you may like

Chocolate cupcakes with Baileys Irish Cream buttercream frosting piped on top, with polka dot cupcake liners on a white plate. One of the cupcakes is cut in half to show a chocolate filling on the inside.

Have you ever had an Irish Car Bomb cocktail? Or tried baked goods inspired by the classic ingredients? Let me know in the comments if you try this recipe and what you think! And don’t forget to rate the recipe. Thanks!

Irish car bomb cupcakes

Irish Car Bomb Cupcakes

Victoria
Irish Car Bomb Cupcakes feature a Guinness chocolate cupcake filled with Irish whiskey ganache, topped with Baileys Irish Cream buttercream! These are delicious edible variations of the politically incorrect cocktail of the same name. Regardless of what you call them, they are delicious celebratory sweets perfect to honor St. Patrick's Day!
5 from 2 votes
Prep Time 45 mins
Cook Time 20 mins
Total Time 1 hr 5 mins
Course Dessert
Cuisine American, Irish
Servings 24 cupcakes
Calories 426 kcal

Ingredients
  

Guinness Chocolate Cupcakes

  • 1 cup Guinness stout beer
  • 8 ounces (2 sticks) unsalted butter
  • 3/4 cup unsweetened cocoa powder
  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1 1/2 teaspoons baking soda
  • 3/4 teaspoon kosher salt
  • 2 large eggs
  • 2/3 cup sour cream

Whiskey Ganache Filling

  • 8 ounces bittersweet chocolate
  • 2/3 cup heavy cream
  • 2 tablespoons unsalted butter room temperature
  • 1 tablespoon Irish whiskey or to taste

Baileys Buttercream

  • 3 cups confectioners’ sugar
  • 8 ounces (2 sticks) unsalted butter, at room temperature
  • 1/4 cup plus 2 tablespoons Baileys Irish cream

Instructions
 

  • Make the cupcakes: Preheat oven to 350°F. Line 24 cupcake cups with liners. Bring the Guinness and 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 salt in large bowl to blend.
  • In the bowl of an electric stand mixer fitted with the paddle attachment, beat eggs and sour cream. 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 to 3/4 of the way. Bake cake until tester inserted into center comes out clean, rotating them once front to back if your oven bakes unevenly, about 17 to 19 minutes. Cool cupcakes completely.
  • Make the filling: Chop the chocolate and transfer it to a heatproof bowl. Heat the cream until simmering and pour it over the chocolate. Let it sit for one minute and then stir until smooth. (If this has not sufficiently melted the chocolate, you can return it to a double-boiler to gently melt what remains. 20 seconds in the microwave, watching carefully, will also work.) Add the butter and whiskey and stir until combined.
  • Fill the cupcakes: Let the ganache cool until thick but still soft enough to be piped (the fridge will speed this along but you must stir it every 10 minutes). Meanwhile, using a 1-inch round cookie cutter, paring knife, or melon baller (my personal choice), cut the centers out of the cooled cupcakes. You want to go most of the way down the cupcake but not cut through the bottom — aim for 2/3 of the way. Put the ganache into a piping bag with a wide tip and fill the holes in each cupcake to the top.
  • Make the frosting: Whip the butter in the bowl of an electric mixer for several minutes until fluffy. Add the powdered sugar a little at a time, until fluffy and thick. Drizzle in the Baileys and whip it until combined. If this has made the frosting too thin (it shouldn’t, but just in case) beat in another spoonful or two of powdered sugar.
  • Frost the cupcakes as desired.

Notes & Nutrition

Do ahead: You can bake the cupcakes a week or two in advance and store them, well wrapped, in the freezer. You can also fill them before you freeze them. They also keep filled — or filled and frosted — in the fridge for a day. (Longer, they will start to get stale.)
Adapted from Smitten Kitchen
Servings 24.0 * calories 426 * Total Fat 24 g * Saturated Fat 15 g * Monounsaturated Fat 4 g * Polyunsaturated Fat 1 g * Trans Fat 0 g * Cholesterol 98 mg * Sodium 140 mg * Potassium 61 mg * Total Carbohydrate 48 g * Dietary Fiber 2 g * Sugars 37 g * Protein 4 g
*All nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.*
Irish Car Bomb Cupcakes

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2 Comments

  • Reply
    Mary Kabakian
    March 3, 2020 at 3:43 pm

    5 stars
    These little beauties are wonderful for any time of the year.

  • Reply
    AJ
    March 5, 2020 at 12:22 pm

    5 stars
    These are soooooooo good. Cheers!

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