The Mad Cake Batter

sweet treats and savory deets

Carbomb Cupcakes for St. Patty’s

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It’s that time of year again…the world has turned green by shamrocks and signs like “Erin go Bragh.” People are consuming copious amounts of corned beef, Irish soda bread, and, of course, Guinness, Bailey’s and Jameson, also known as a Carbomb.

I have been contemplating trying this recipe for over a year. It would pop up again and again, but I was still hesitant to give it a try. Why?  I have made Bailey’s and Guinness ones, but never the three. I was 100% being silly, but it wasn’t until my brother sent me the exact same recipe, I decided to make them. Once I made them, again I felt foolish that I didn’t try them earlier because they were a hit. So thanks bro!

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For the Cupcakes:
 1 cup Guinness stout
, 1 cup unsalted butter at room temperature
, ¾ cup dark cocoa powder, 
2 cup all-purpose flour
, 2 cups granulated sugar, 
1½ tsp baking soda,
¾ tsp salt, 
2 eggs, 
2/3 cup sour cream

For the Whiskey Ganache Filling: 
8 ounces bittersweet chocolate,
 2/3 cup heavy cream, 
2 TBS butter at room temperature
, 2 tsp Irish whiskey

For the Bailey’s Frosting:
 2 cups unsalted butter at room temperature, 
5 cups powdered sugar, 
6 TBS Bailey’s Irish Cream

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1. To Make the Cupcakes: Preheat oven to 350 degrees F. Line 24 cupcake cups with liners. Bring the Guinness and butter to a simmer in a heavy, medium saucepan over medium heat. Add the cocoa powder and whisk until the mixture is smooth. Cool slightly.

2. Whisk the flour, sugar, baking soda and salt in a large bowl to combine. Using an electric mixer, beat the eggs and sour cream on medium speed until combined. Add the Guinness-chocolate mixture to the egg mixture and beat just to combine. Reduce the speed to low, add the flour mixture and beat briefly. Using a rubber spatula, fold the batter until completely combined. Divide the batter among the cupcake liners. Bake until a thin knife inserted into the center comes out clean, about 17 minutes. Cool the cupcakes on a rack.

3. To Make the Whiskey Ganache Filling: Finely 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, using a rubber spatula, stir it from the center outward until smooth. Add the butter and whiskey and stir until combined. Let the ganache cool until thick but still soft enough to be piped.

4. To Fill the Cupcakes: Using a 1-inch round cookie cutter (or the bottom of a large decorating tip), cut the centers out of the cooled cupcakes, going about two-thirds of the way down. Transfer the ganache to a piping back with a wide tip and fill the holes in each cupcake to the top.

5. To Make the Baileys Frosting: Using the whisk attachment of a stand mixer, whip the butter on medium-high speed for 5 minutes, scraping the sides of the bowl occasionally. Reduce the speed to medium-low and gradually add the powdered sugar until all of it is incorporated. Add the Baileys, increase the speed to medium-high and whip for another 2 to 3 minutes, until it is light and fluffy.

6. Using your favorite decorating tip, or an offset spatula, frost the cupcakes and decorate with sprinkles, if desired. Store the cupcakes in an airtight container.

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