Baileys Brownies Recipe – Rich, Boozy & Decadent Adult Dessert
Indulge in the ultimate grown-up treat with these triple-layered Baileys brownies—fudgy homemade brownies topped with fluffy Irish cream frosting and a luxurious Baileys chocolate ganache. Perfect for St. Patrick’s Day, dinner parties, or any occasion that calls for a rich, boozy dessert!
Prep Time:
20 minutes
Cook Time:
1 hour 30 minutes
Calories:
Approximately 393 kccal
ingredients
Brownie Layer
1 cup (2 sticks) unsalted butter
8 oz semi-sweet chocolate, finely chopped
2 cups granulated sugar
4 large eggs
2 tsp vanilla extract
¾ cup unsweetened cocoa powder
¾ cup all-purpose flour
½ tsp salt
Baileys Buttercream Frosting
⅔ cup unsalted butter, softened
2½ cups powdered sugar, sifted
3–4 tbsp Baileys Irish Cream
Baileys Chocolate Ganache
8 oz semi-sweet chocolate, finely chopped
½ cup Baileys Irish Cream
Directions
1. Prepare the Brownie Layer
Preheat oven to 350°F (180°C). Line a 9×13-inch metal pan with parchment paper, leaving an overhang for easy removal.
In a microwave-safe bowl, melt butter and chocolate in 30-second intervals, stirring until smooth.
Whisk in sugar, then add eggs one at a time, followed by vanilla.
Gently fold in cocoa powder, flour, and salt until just combined.
Pour batter into the pan and bake for 32–37 minutes, or until a toothpick comes out with a few moist crumbs. Cool completely.
2. Make the Baileys Buttercream
Beat softened butter until creamy. Gradually add powdered sugar and Baileys, alternating until fluffy and spreadable.
Frost cooled brownies evenly, then refrigerate for 20 minutes to set.
3. Finish with Baileys Ganache
Place chopped chocolate in a heatproof bowl. Heat Baileys until nearly boiling, then pour over chocolate. Let sit for 2 minutes, then whisk until smooth.
Pour ganache over frosted brownies, spreading evenly. Chill until firm (1–2 hours).
Slice cold with a sharp knife for clean edges.
Frequently Asked Questions
1. Can I use boxed brownie mix instead?
Yes! Substitute a 9×13-inch box mix (prepare as directed, omitting any added water) for a quicker version .
2. How do I prevent the frosting from melting?
Ensure brownies are fully cooled before frosting. Chill frosted layers before adding ganache .
3. Can I substitute the Baileys?
For a milder flavor, use half heavy cream + half Baileys in the ganache. Kahlúa or amaretto also work .
4. How should I store these brownies?
Keep refrigerated in an airtight container for up to 5 days. Serve at room temperature for best texture .
5. Are these safe for kids?
No—the Baileys is not cooked off in the frosting or ganache. For a kid-friendly version, use Irish cream syrup .
Tools You'll Need
9×13-inch metal baking pan
Parchment paper
Microwave-safe bowl
Whisk & spatula
Electric mixer (for frosting)
Candy thermometer (optional for ganache)
Tips
Use high-quality chocolate (50–70% dark) for depth of flavor.
Sift powdered sugar to avoid lumps in the frosting.
Chill before slicing for clean, even pieces.
Garnish with cocoa powder or gold flakes for elegance.
Allergy Information
Contains: Dairy (butter, chocolate), eggs, gluten, alcohol.
Gluten-free option: Use GF flour and certified GF chocolate.
Vegan substitute: Replace butter with coconut oil, eggs with flax eggs, and use dairy-free chocolate + coconut cream.
Conclusion
These Baileys brownies are a showstopper—layers of fudgy chocolate, velvety frosting, and glossy ganache create a dessert that’s as stunning as it is delicious. Whether you’re celebrating a special occasion or simply treating yourself, this recipe promises restaurant-quality results with homemade heart.
We’d love to see your creations! Tag your photos with #BoozyBrownieBliss and share how you made them your own. Happy baking!
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