Guinness Stout Chocolate Brownies

By
Peggy Trowbridge Filippone
Peggy Trowbridge Filippone
Peggy Trowbridge Filippone is a writer who develops approachable recipes for home cooks. Her recipes range from Grandma’s favorites to the latest food trends.
Learn about The Spruce Eats' Editorial Process
Updated on 12/22/22
Guinness Stout Chocolate Brownies

The Spruce / Julia Hartbeck

Prep: 15 mins
Cook: 30 mins
Total: 45 mins
Servings: 36 to 48 servings

The original version of these Guinness Stout brownies was developed in Ireland. The malt in the Guinness Stout beer intensifies the flavor of the chocolate in these delicious brownies.

The texture is an interesting combination of fudge, mousse, candy, and traditional brownies. Although they are decadent chocolate, they are surprisingly light due to the eggs. You won't taste the beer at all.

These brownies are great for St. Patrick's Day or any day. As a bonus, you won't be using the full bottle of beer, so you might just enjoy a tipple as they are baking.

Cook Mode (Keep screen awake)

Ingredients

Dry Ingredient Mixture:

  • 1 cup all-purpose flour

  • 3/4 cup unsweetened cocoa powder

  • 1/2 teaspoon salt

Chocolate Mixture:

  • 6 tablespoons unsalted butter, cut into cubes

  • 8 ounces dark bittersweet chocolate, chopped

  • 3/4 cup white chocolate chips

Eggs and Sugar Mixture:

  • 4 large eggs, at room temperature

  • 1 cup granulated sugar

Final Additions:

  • 1 cup (8 ounces) Guinness Extra Stout beer, room temperature, no foam

  • 1 cup semi sweet chocolate chips

Steps to Make It

  1. Gather the ingredients.

    Guinness Stout Chocolate Brownies ingredients

    The Spruce / Julia Hartbeck

  2. Preheat the oven to 375 F. Line a 9-inch by 13-inch baking pan with nonstick foil.

    aluminum foil baking pan

    The Spruce / Julia Hartbeck

  3. Dry Ingredient Mixture: In a medium bowl, whisk together flour, cocoa powder, and salt until evenly combined. Set aside.

    flour, cocoa powder, and salt in a bowl

    The Spruce / Julia Hartbeck

  4. Chocolate Mixture: Melt butter, bittersweet chocolate, and white chocolate chips in a double-boiler over very low heat, stirring constantly until melted. Remove from heat.

    butter, bittersweet chocolate, and white chocolate chips in a double-boiler

    The Spruce / Julia Hartbeck

  5. Mix the Eggs and Sugar: In a large mixing bowl, beat eggs and sugar on high speed until light and fluffy, about 3 minutes.

    egg and sugar mixture in a bowl, hand mixer

    The Spruce / Julia Hartbeck

  6. Add melted chocolate mixture to the eggs and sugar mixture, beating until combined.

    Add melted chocolate mixture to the eggs and sugar mixture in the bowl, hand mixer

    The Spruce / Julia Hartbeck

  7. Beat the reserved dry ingredient mixture into the melted chocolate mixture. Whisk in the Guinness Stout beer by hand. The batter may seem a bit thin.

    brownie batter in a bowl

    The Spruce / Julia Hartbeck

  8. Pour the batter into the prepared baking pan. Drop semisweet chocolate chips evenly on top of batter (some will sink in).

    brownie batter in a baking pan, chocolate chips on top

    The Spruce / Julia Hartbeck

  9. Bake 25 to 30 minutes (oven temperatures vary) on center rack in the oven, until a toothpick inserted in the center comes out clean.

    Guinness Stout Chocolate Brownies in a baking pan

    The Spruce / Julia Hartbeck

  10. Let the brownies cool, uncovered, to room temperature.

    Guinness Stout Chocolate Brownies in a baking pan on a cooling rack

    The Spruce / Julia Hartbeck

Tip

  • The Guinness Stout beer should be at room temperature. This recipe uses less than a standard 12-ounce bottle of Guinness Stout beer. Pour the beer early so the foam can settle. Do not include the foam in the measurement. Either spoon off the foam or let it rest until the foam subsides. What you do with the rest of the bottle of beer is up to you. You could enjoy a quaff before or after your baking session.
Nutrition Facts (per serving)
114 Calories
6g Fat
12g Carbs
2g Protein
×
Nutrition Facts
Servings: 36 to 48
Amount per serving
Calories 114
% Daily Value*
Total Fat 6g 8%
Saturated Fat 4g 19%
Cholesterol 20mg 7%
Sodium 32mg 1%
Total Carbohydrate 12g 4%
Dietary Fiber 1g 5%
Total Sugars 8g
Protein 2g
Vitamin C 0mg 0%
Calcium 15mg 1%
Iron 2mg 9%
Potassium 70mg 1%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)