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Baileys St. Patrick's Day Cupcakes
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5 from 3 votes

Baileys St. Patrick's Day Cupcakes

These Baileys St. Patrick's Day Cupcakes are moist chocolate cupcakes infused with Baileys Irish Cream and topped with Baileys buttercream frosting.  The perfect grown up St. Patrick's Day cupcakes!
Prep Time10 mins
Cook Time20 mins
Total Time30 mins
Course: Dessert
Cuisine: American
Servings: 30
Calories: 283.8kcal


Baileys Chocolate Cupcakes

  • 2 cups all purpose flour
  • 2 cups sugar
  • 1 cup dark chocolate cocoa powder
  • 2 teaspoons baking powder
  • 1 teaspoon baking soda
  • 1 teaspoon espresso powder
  • 1 teaspoon salt
  • 1 cup Baileys Irish Cream
  • 1/2 cup vegetable oil
  • 2 large eggs .. room temp
  • 1 teaspoon vanilla extract
  • 1 Cup Boiling water

Baileys Buttercream Frosting

  • 1 cup butter .. softened
  • 5 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 2-3 tablespoons Baileys Irish Cream
  • 1/4 teaspoon salt


  • To make these Baileys St. Patrick's Day Cupcakes, start by preheating your oven to 375 degrees and line your cupcakes tins with paper liners. 
  • Add dark chocolate cocoa, sugar, flour, baking powder, baking soda, salt and espresso powder to a large bowl and whisk together to combine your ingredients. Next, add in the eggs, vegetable oil, vanilla and Baileys Irish cream. Using an electric mixer, mix well to combine. Finally, add in your boiling water (two minutes in the microwave is close enough!) and mix well. Your batter will be extremely thin and that is what you want. 
  • Using a large spoon or a small measuring cup, fill your paper cupcake liners a bit over half way up with your batter and then bake for 20 minutes. Remove from the oven and the cupcake pan and move your Baileys St. Patrick's Day Cupcakes to a wire rack to cool. 
  • Once complete cooled, add softened butter, sifted powedered sugar, salt, vanilla and Baileys to a large mixing bowl and mix well until you reach the buttercream frosting consistancy you are looking for. Either frost your cupcakes by hand or move the Baileys buttercream frosting to a large piping bag / zip top bag and frost using a decorating tip. Serve immediately and leftovers can be kept in the refrigerator. 



  • I love the rich flavor of using dark chocolate cocoa powder but if you only have regular cocoa powder on hand, don't make that extra trip to the store.  Both flavors make amazing chocolate cupcakes.
  • Sift that powdered sugar before adding it to your butter for your buttercream frosting.  I know I say it every time.. trust your friend Heather!!! ... sift the powdered sugar or you will end up with lumps of sugar in your frosting and no one wants that!
  • Don't have a large piping bag to make pretty whoop-whoop cupcakes?  Grab a large zip top bag, snip a bit off the bottom corner, add a decorating tip and then fill that bad boy up with your frosting.  I find if I push my bag into a tall tumbler glass, I can fill it a lot easier with a lot less mess. Keep in mind that big fancy frosting jobs take a ton of frosting to accomplish.. double that frosting recipe if you are getting fancy.  
  • Bring your eggs to room temperature before using them. Room temp eggs emulsify better and are fluffier than eggs right out of the refrigerator.
  • A trick for bringing refrigerated eggs to room temperature quicker is to let them sit in a bowl of warm water for 5 minutes.
  • You want to make sure you are measuring your flour correctly. If you scoop out a measuring cup of flour directly from the bag, you will pack in way too much flour. To avoid this, spoon the flour into the measuring cup until its overfilled and then use the back of a butter knife to level the measuring cup at the top. Now you have the perfect flour measurement!
  • Don’t over-mix your chocolate cupcake batter. Once run your mixer long enough to incorporate the ingredients to avoid tough or dense cupcakes.
  • Use a small measuring cup to add your batter to your cupcake tins. This way your cupcakes are all the same size and save on (most) of the mess.
  • Buy milk while you are at the store. Chocolate cupcakes needs to be eaten with a big glass of milk. Buy milk.


Serving: 30g | Calories: 283.8kcal | Carbohydrates: 42.8g | Protein: 2g | Fat: 12g | Saturated Fat: 6.8g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Cholesterol: 29mg | Sodium: 177.7mg | Potassium: 61.8mg | Fiber: 1.2g | Sugar: 33g | Vitamin A: 250IU | Calcium: 25mg | Iron: 0.8mg