Baileys Buttercream Brownies

Rich, Boozy & Decadently Dreamy!

If you’re looking for a dessert that combines the fudgy richness of brownies with the creamy indulgence of a boozy buttercream, Baileys Buttercream Brownies are the answer. This decadent treat elevates a classic chocolate brownie by adding a luscious layer of Baileys-flavored buttercream and a silky ganache, creating a dessert that is both sophisticated and irresistible. Perfect for holidays, special occasions, or an after-dinner treat, these brownies will delight chocolate lovers and Baileys fans alike.

The magic of these brownies lies in the layers. First, the rich, fudgy brownie base provides a dense and moist foundation. Then, the Baileys buttercream adds a creamy, lightly boozy sweetness that complements the chocolate perfectly. Finally, the chocolate ganache topping adds a glossy, velvety finish that brings both texture and elegance. Each bite is a harmonious balance of chocolate, creaminess, and a hint of Irish cream flavor.

Whether you’re baking for a party, gifting to friends, or simply treating yourself, this recipe is approachable for bakers of all levels. The use of a boxed brownie mix simplifies preparation without sacrificing flavor, while the homemade Baileys buttercream and ganache make it feel indulgent and luxurious.

Why You’ll Love These Brownies

• Quick and easy – uses a brownie mix to save time.
• Decadent flavor layers – fudgy brownies, boozy buttercream, and silky ganache.
• Perfect for celebrations – elegant enough for parties or gifting.
• Customizable – adjust Baileys to taste or experiment with chocolate types.
• Vegetarian-friendly – contains no meat or gelatin.

Ingredients

For the Brownies

• 1 box brownie mix (plus required eggs, oil, and water as indicated on the box)
• Optional: Substitute ¼ cup water with ¼ cup Baileys Irish Cream for extra flavor

For the Baileys Buttercream

• ½ cup salted butter, softened
• 2½ cups powdered sugar, sifted
• 1 teaspoon vanilla extract
• 2 tablespoons Baileys Irish Cream
• 3–4 tablespoons heavy whipping cream

For the Ganache

• 1 cup semi-sweet chocolate chips
• ⅓ cup heavy whipping cream
• 2 tablespoons Baileys Irish Cream

Equipment Needed

• 8×8 inch baking pan
• Parchment paper
• Mixing bowls
• Electric mixer
• Microwave-safe bowl or double boiler
• Offset spatula or knife for spreading frosting
• Measuring cups and spoons

Preparation Method

Step 1 – Bake the Brownies

1. Preheat your oven according to the brownie mix package instructions.
2. Line an 8×8 inch baking pan with parchment paper, leaving a flap for easy removal later.
3. Prepare the brownie batter as directed on the package. For extra flavor, substitute ¼ cup water with ¼ cup Baileys Irish Cream if desired.
4. Pour the batter into the prepared pan and bake according to package instructions.
5. Remove from the oven and cool completely before adding any frosting.

Step 2 – Make the Baileys Buttercream

1. In a mixing bowl, beat softened butter, vanilla extract, and sifted powdered sugar until smooth and fluffy.
2. With the mixer on low speed, slowly add 2 tablespoons Baileys Irish Cream and continue mixing.
3. Add heavy whipping cream, one tablespoon at a time, until the buttercream reaches a light, fluffy, and spreadable consistency.
4. Evenly spread the buttercream over the cooled brownie layer using an offset spatula.
5. Chill in the freezer while preparing the ganache to help the buttercream set slightly.

Step 3 – Prepare the Ganache

1. Combine semi-sweet chocolate chips, ⅓ cup heavy whipping cream, and 2 tablespoons Baileys Irish Cream in a microwave-safe bowl.
2. Heat for 45–60 seconds, until the cream is just simmering.
3. Let the mixture sit for 3–4 minutes, then stir until smooth and glossy.
4. Spread the ganache evenly over the chilled buttercream layer. Allow it to set on the countertop for 45–60 minutes or refrigerate for 15 minutes for a quicker set.

Step 4 – Slice and Serve

1. Use the parchment paper flaps to lift the brownies out of the pan.
2. Cut into 16 even squares using a sharp knife.
3. Serve immediately, or store in an airtight container in the refrigerator.

Expert Tips

• Boost the Baileys flavor: Increase the amount in both the buttercream and ganache if you want a more pronounced Irish cream taste.
• Avoid grainy frosting: Make sure powdered sugar is sifted to prevent lumps in the buttercream.
• Ganache texture: Stir gently after resting to achieve a smooth, glossy finish.
• Storage: These brownies keep well in the fridge for up to 5 days. Bring to room temperature before serving for best flavor.
• Alternative chocolate: Use dark chocolate chips for a richer, more intense chocolate layer.

Nutrition (Per Serving)

• Calories: 250
• Sugar: 25 g
• Sodium: 160 mg
• Fat: 12 g
• Saturated Fat: 7 g
• Unsaturated Fat: 4 g
• Trans Fat: 0 g
• Carbohydrates: 36 g
• Fiber: 1 g
• Protein: 2 g
• Cholesterol: 30 mg

Frequently Asked Questions (FAQs)

1. Can I make these brownies ahead of time?

Yes! Bake the brownies and make the buttercream and ganache ahead of time. Assemble a few hours before serving, then store in the refrigerator.

2. Can I use a homemade brownie recipe instead of a mix?

Absolutely. Substitute your favorite homemade brownie recipe for the boxed mix; just ensure it cools completely before frosting.

3. How boozy are these brownies?

The alcohol flavor is present but not overwhelming. If you prefer stronger Baileys notes, increase the amount in the buttercream and ganache.

4. Can I freeze these brownies?

Yes. Wrap tightly in plastic wrap and aluminum foil. Thaw in the fridge before serving. Note: the ganache may need slight softening before slicing.

5. Can I use other liqueurs instead of Baileys?

Yes, but the flavor profile will change. Kahlua, Amaretto, or Frangelico work well for a similar boozy dessert experience.

6. How do I get smooth ganache?

Use a heatproof bowl, let the hot cream sit for a few minutes on the chocolate chips, and stir gently until completely smooth. Avoid overheating to prevent graininess.

Conclusion

Baileys Buttercream Brownies are a decadent, indulgent dessert that combines fudgy brownie layers with creamy, boozy buttercream and silky chocolate ganache. This recipe is perfect for entertaining, gifting, or treating yourself. Easy to make, customizable, and delicious, these brownies are sure to impress anyone with a love for chocolate and Irish cream.

With simple ingredients and clear steps, even beginner bakers can achieve bakery-quality results. Serve chilled or at room temperature for a luxurious dessert experience. Each bite offers rich chocolate, a smooth boozy kick, and an irresistible melt-in-your-mouth texture that makes these brownies unforgettable.

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