Indulge in Decadent Irish Brownies with Creamy Icing

Welcome to my recipe for Irish Brownies with Irish Cream Frosting! As a chef specializing in British cuisine, I’ve learned how to incorporate classic flavors into new and exciting recipes. And this sweet treat is no exception.

Just the thought of these brownies with that boozy Baileys Irish Cream frosting makes my mouth water. The contrast between the rich, chocolatey brownie and the creamy, tangy frosting is truly unbeatable. Plus, the hint of Irish whiskey is sure to make your taste buds dance a jig.

Whether you’re making dessert for St. Patrick’s Day, or just looking for a decadent treat to enjoy any day of the year, these Baileys Irish Cream Brownies are the perfect option. So, turn up some Celtic tunes and let’s get baking!

Why You’ll Love This Recipe

Irish Brownies With Irish Cream Frosting
Irish Brownies With Irish Cream Frosting

Have you ever tried brownies with a boozy twist? If not, you must try my Irish Brownies with Irish Cream Frosting recipe. It’s the perfect dessert for any occasion, from festive St. Patrick’s Day celebrations to cozy winter nights by the fireplace.

What makes this recipe truly special is the addition of Bailey’s Irish Cream both in the brownie batter and the frosting. The rich and creamy flavor of the Irish cream liqueur adds a delicious depth to the chocolatey fudgy brownies and elevates the buttercream frosting to a whole new level.

This recipe is also incredibly easy to follow, requiring only 10 basic ingredients that you can find in any grocery store. Plus, the substitutions and variations section allows for flexibility to customize according to your taste preferences.

Not only will these brownies be a crowd-pleaser at your next gathering, but they’re also perfect for satisfying your sweet tooth cravings. Trust me, once you try them, you’ll fall in love with their gooey texture, intense chocolatey flavor, and boozy kick.

Ingredient List

 First Impressions: These Irish Brownies with Irish Cream Frosting are the real deal!
First Impressions: These Irish Brownies with Irish Cream Frosting are the real deal!

Here is a list of all the ingredients you will need to make these delicious Irish brownies with Irish cream frosting:

For the Brownies

  • 1 brownie mix (Duncan Hines or any other brand)
  • 1/4 cup Baileys Irish Cream Liqueur
  • 1/4 cup oil
  • 2 eggs
  • 1/3 cup malted milk powder
  • 1/4 tsp salt

For the Frosting

  • 2 cups powdered sugar
  • 1/2 cup unsalted butter, softened
  • 2 tablespoons Baileys Irish Cream Liqueur
  • 1/2 teaspoon vanilla extract

For Decoration

  • Chocolate chips (optional)

Gathering all of your ingredients before starting will make the process much smoother. Keep in mind that it’s important to use high-quality ingredients for best results, especially when it comes to the Baileys Irish Cream, which gives these brownies their distinct flavor.

The Recipe How-To

 Get ready to indulge in some Irish goodness with these decadent brownies.
Get ready to indulge in some Irish goodness with these decadent brownies.

Once you have assembled all the ingredients, it’s time to get started with the recipe!

Step 1: Prepare the Brownie Mix

Preheat your oven to 350°F. Grease a 9×13-inch baking pan with some butter or margarine.

In a large mixing bowl, add the brownie mix, eggs, and oil or melted butter. Stir well until all the ingredients are well combined.

Step 2: Add Baileys Irish Cream Liqueur

Next, add the Baileys Irish Cream liqueur to the mixing bowl, and stir well until it is fully incorporated into the batter.

Step 3: Bake the Brownies

Pour the batter into your prepared baking pan and smooth it out evenly. Bake in your preheated oven for approximately 20-25 minutes, or until a toothpick inserted into the center of the brownies comes out clean.

Once baked set aside to allow cooling before frosting.

Step 4: Make The Frosting

To make the frosting, start by beating softened butter and cream cheese in a large bowl until smooth. Then add powdered sugar and beat again until fluffy.

Next, add Baileys Irish Cream liqueur and whipping cream to the frosting mixture. Beat again until you have achieved a smooth consistency.

Step 5: Frost The Brownies & Serve

Once both brownies and frosting are done, put some of that “boozy” Baileys Irish Cream frosting on top of each brownie square. Decorate with chocolate chips if desired.

These decadent Baileys Irish Cream Brownies will wow your guests and can be enjoyed on its own for a fun dessert at home or at any St. Patrick’s Day celebration!

Substitutions and Variations

 Rich chocolate meets smooth Irish cream frosting in every bite!
Rich chocolate meets smooth Irish cream frosting in every bite!

One of the things that makes cooking so fun is the ability to get creative with ingredients and experiment with new flavors. This Irish Brownies with Irish Cream Frosting recipe is no exception! Here are a few substitution suggestions and variations that can help you tailor the recipe to your taste preferences:

– Swap out the Baileys Irish Cream liqueur for a different flavored liqueur, such as Kahlua or Amaretto. This will give the brownies and frosting a unique twist while still maintaining their boozy kick.

– For a non-alcoholic version, simply omit the liqueur altogether and use milk or cream instead. You can also try using a flavored coffee syrup or extract to add some depth of flavor.

– Instead of using unsalted butter, try using margarine or coconut oil. This can add a slightly different flavor profile to the brownies and frosting, and can be especially delicious if you use coconut oil in combination with some shredded coconut in the brownie batter.

– For an extra chocolatey twist, mix in some chocolate chips or add a layer of chocolate ganache between the brownie layer and the frosting. You can also try making Baileys Chocolate Brownies by adding cocoa powder to the brownie mix and using chocolate frosting instead of buttercream.

– To make Guinness Brownies in honor of St. Patrick’s Day, simply swap out 1 cup of flour for 1 cup of dark stout beer. This will give the brownies a richer flavor and denser texture.

No matter how you decide to tweak this recipe, always remember to adjust ingredient quantities accordingly and test your modifications before serving them at your next gathering. Have fun experimenting!

Serving and Pairing

 One bite and you’ll be transported to a cozy Irish pub.
One bite and you’ll be transported to a cozy Irish pub.


Once your Irish brownies with Irish cream frosting are ready to serve, it’s time to think about the perfect pairing. This decadent dessert is a showstopper on its own, but it can be elevated further with some clever pairings.

A great way to bring out the rich, chocolatey flavors of these brownies is by serving them with a scoop of vanilla ice cream. The coldness and creaminess of the ice cream complements the dense texture of the brownie and adds an extra layer of indulgence to the dessert.

If you’re looking for another alcoholic pairing, you could consider serving these brownies with a glass of smooth Irish whiskey. The smoky flavor of the whiskey pairs well with the sweetness of the frosting and deepens the complexity of flavors in the dish.

For those who prefer a non-alcoholic drink, a cup of freshly brewed coffee or tea can be an excellent match for this dessert. The bitterness of the drink balances out the sweetness of the brownie and can enhance its richness.

You can also decorate your Irish brownies with chocolate ganache or Bailey’s chocolate frosting to transform them into a more elegant dessert. It’s an ideal way to make these boozy Baileys desserts stand out on St Patrick’s Day or any other special occasion.

In conclusion, there’s no wrong way to serve Irish Brownies – this versatile recipe goes well with many different drinks and snacks. Whatever you decide, just make sure you savor each bite and enjoy every guilty pleasure it brings.

Make-Ahead, Storing and Reheating

 Nothing says St. Patrick’s Day quite like these Irish-inspired brownies!
Nothing says St. Patrick’s Day quite like these Irish-inspired brownies!

You’ll be pleased to know that these Irish Brownies with Irish Cream Frosting can be made ahead of time! Simply bake the brownies, let them cool completely and then store them in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 1 week.

In fact, these brownies actually taste better the next day, as the flavors have more time to meld together.

If you want to save some time in advance, you can also make the frosting a day or two ahead and store it covered in the refrigerator. When you’re ready to use it, let it come to room temperature and then give it a quick whisk to make sure it’s smooth and fluffy again.

To reheat the brownies, simply pop them in the microwave for 10-20 seconds per piece or warm them up in the oven at 350°F for a few minutes. They’ll be just as delicious as when they were freshly baked!

Whether you’re preparing these for a party or just want to enjoy them throughout the week, these Irish Brownies with Irish Cream Frosting are perfect for making ahead and storing.

Tips for Perfect Results

 Warning: These brownies may cause a sudden craving for a pint of Guinness.
Warning: These brownies may cause a sudden craving for a pint of Guinness.

When it comes to Irish Brownies with Irish Cream Frosting, there are a few key tips to keep in mind for perfect results every time. Here are a few of my favorite tips that I’ve learned over the years.

First and foremost, make sure to use high-quality ingredients. This includes fresh butter, eggs, and all-purpose flour. Avoid using margarine or other substitutes, as these can affect the texture and flavor of the brownies.

Another important tip is to properly measure your ingredients. Use measuring cups and spoons rather than eyeballing measurements. This will ensure accuracy and consistency in your baking.

When making the Irish Cream Frosting, be sure to beat the butter well before adding in the powdered sugar and Irish cream liqueur. This will help create a smooth and fluffy frosting that’s perfect for spreading onto the brownies.

If you’re making this recipe for St. Patrick’s Day, consider adding green food coloring to the frosting for an extra festive touch. Alternatively, dust with powdered sugar for a simple yet elegant presentation.

Lastly, if you want an even more boozy twist on this recipe, try swapping out some of the milk in the brownie mix for Irish cream liqueur. This will give your brownies an extra kick of flavor that’s perfect for adult gatherings.

By following these tips, you’ll be well on your way to making perfect Irish Brownies with Irish Cream Frosting every time. Get ready to impress your friends and family with this delicious dessert!

Bottom Line

In conclusion, these Irish Brownies with Irish Cream Frosting are a delightful treat that will make your taste buds sing. Not only are they incredibly indulgent and rich in flavor, but they also provide a fun twist on traditional brownies by incorporating delicious Irish cream.

With the right ingredients and detailed instructions in this recipe article, anyone can achieve brownie perfection. Don’t be afraid to experiment with substitutions and variations to create your own unique spin on this classic dessert.

Overall, these brownies are perfect for any occasion, whether it’s St. Patrick’s Day or simply a special treat for yourself or loved ones. So don’t hesitate to whip up a batch and indulge in the boozy goodness of these Irish Cream Brownies!

Irish Brownies With Irish Cream Frosting

Irish Brownies With Irish Cream Frosting Recipe

Based on a recipe from my Treasury of Home Baking cookbook. Cook time doesn’t include the 1 hour chill time.
Course Dessert
Cuisine Irish
Keyword < 4 Hours, Cookie and Brownie, Dessert, European, From Scratch, St. Patrick's Day
Prep Time 20 minutes
Cook Time 1 hour
Servings 16 brownies
Calories 215.5kcal



  • 4 ounces semisweet baking chocolate, coarsely chopped (each square is one ounce)
  • 1/2 cup butter
  • 1/2 cup sugar
  • 2 eggs
  • 1/4 cup irish cream (liqueur)
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt


  • 1/4 cup cream cheese, softened
  • 2 tablespoons butter or 2 tablespoons margarine, softened
  • 2 tablespoons irish cream (liqueur)
  • 1 1/2 cups powdered sugar


  • Preheat oven to 350°F.
  • Prepare an 8-inch square baking pan by greasing it.
  • Melt chocolate and butter in medium, heavy saucepan over low heat (I use a double boiler). Remove from heat. Stir in sugar. Whisk in eggs, one at a time, mixing well after each addition. Whisk in liqueur.
  • Combine flour, baking powder and salt in small bowl; stir into chocolate mixture until just blended.
  • Spread batter evenly in prepared pan.
  • Bake 22 to 25 minutes or until toothpick inserted in center comes out clean. Remove pan to wire rack; cool completely.
  • Add cream cheese and butter to small bowl and beat with electric mixer at medium speed until smooth. Beat in liqueur. Gradually beat in powdered sugar until smooth.
  • Spread over cooled brownies.
  • Chill at least 1 hour or until frosting is set. Cut into 2-inch squares.


Serving: 823g | Calories: 215.5kcal | Carbohydrates: 28.2g | Protein: 2.2g | Fat: 11.2g | Saturated Fat: 6.7g | Cholesterol: 46.3mg | Sodium: 132.7mg | Fiber: 0.6g | Sugar: 21.3g

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