Cookies & Bars
Rich Guinness Brownies Recipe - Decadent Irish-Inspired Treats
My fudgy Guinness brownies recipe combines rich chocolate with Irish stout for the most decadent, moist brownies you'll ever taste!
Beer in Brownies? Trust Me on This One
I was skeptical the first time I tried Guinness brownies at a St. Patrick’s Day party. But one bite changed everything. The stout does not make these taste like beer — instead, it creates an incredibly moist, fudgy texture with a subtle malty depth that makes the chocolate flavor absolutely sing. The alcohol cooks off during baking, leaving behind only complex flavors that regular brownies simply cannot match. I make these year-round now, not just for St. Patrick’s Day.
Baker’s Tips
- Use room temperature Guinness — cold beer can cause the melted butter to seize up.
- Let the chocolate mixture cool for 5 minutes before adding eggs. If it is too hot, the eggs will cook and create a grainy texture.
- Fold the flour in gently, just until combined. Overmixing develops gluten and turns fudgy brownies cakey.
- Pull them from the oven when a toothpick has moist crumbs, not clean. They taste even better the next day as the flavors meld together.
Variations
- Irish Whiskey: Add a tablespoon of Irish whiskey to the batter alongside the Guinness for extra depth.
- Cream Cheese Swirl: Dollop sweetened cream cheese over the batter and swirl with a knife before baking.
- Espresso: Add a teaspoon of instant espresso powder to intensify the chocolate without adding coffee flavor.
For another rich chocolate brownie, try my double chocolate brownies.
Ingredients
Brownies
Guinness Glaze (Optional)
Instructions
- 1
Prepare Pan and Oven
Preheat your oven to 350°F (175°C). Line a 9x13 inch baking pan with parchment paper, leaving overhang for easy removal. Lightly grease the parchment with butter or cooking spray.
- 2
Heat Guinness and Butter
In a large saucepan over medium heat, combine the Guinness and butter. Stir occasionally until the butter is completely melted and the mixture is smooth, about 3-4 minutes.
- 3
Add Cocoa and Sugar
Remove from heat and whisk in the cocoa powder until smooth. Add the granulated sugar and whisk until well combined. Let the mixture cool for 5 minutes.
- 4
Mix in Eggs and Dry Ingredients
Beat in the eggs one at a time until fully incorporated. In a separate bowl, whisk together flour and salt. Gradually fold the flour mixture into the chocolate mixture until just combined. Fold in chocolate chips.
- 5
Bake the Brownies
Pour batter into prepared pan and spread evenly. Bake for 30-35 minutes, until a toothpick inserted in center comes out with a few moist crumbs. Don't overbake - they'll continue cooking as they cool.
- 6
Make Glaze and Serve
For glaze, whisk together powdered sugar, Guinness, melted butter, and vanilla until smooth. Once brownies are completely cool, drizzle with glaze if using. Cut into squares and serve.
Nutrition Information
Per serving (serves 16). Values are approximate.
| Calories | 285 calories |
| Total Fat | 12g |
| Saturated Fat | 7g |
| Carbohydrates | 45g |
| Sugar | 38g |
| Protein | 4g |
| Sodium | 95mg |
| Fiber | 3g |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. Nutritional information is an estimate and may vary.
Never Miss a Sweet Recipe
Join 5,000+ home bakers and get new recipes straight to your inbox.
Frequently Asked Questions
Can I taste the Guinness in these brownies?
The Guinness adds a subtle malty depth and richness rather than a strong beer flavor. It enhances the chocolate and creates incredibly moist, fudgy brownies without being overpowering.
Can I substitute the Guinness with another beer?
Yes! Any dark stout or porter works well. You can even use chocolate stout for extra chocolate flavor. Avoid light beers as they won't provide the same rich flavor profile.
How should I store Guinness brownies?
Store covered at room temperature for up to 4 days, or refrigerate for up to a week. They actually taste even better the next day as the flavors meld together!
Can I make these brownies ahead of time?
Absolutely! These brownies freeze beautifully for up to 3 months. Wrap individual squares in plastic wrap, then store in a freezer bag. Thaw at room temperature before serving.
Reader Reviews
Based on 173 reviews
