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5.0 from 3 votes

Guinness Brownies

Decadent Guinness Brownies are the perfect dessert for St. Patrick's Day or for any occasion where you need a chocolate dessert to share. These dark chocolate brownies are dense and have the most intense chocolate flavor since since they call for stout beer in the batter.

Prep Time
15 mins
Cook Time
15 mins
Total Time
50 mins
Servings: 12 large brownies
Calories: 169 kcal
Course: Dessert
Cuisine: American

Ingredients

Brownies
  • 1 ½ cups dark chocolate chips divided
  • ½ cup unsalted butter
  • ¾ cup dark brown sugar packed
  • ¾ cup granulated sugar
  • 2 teaspoons pure vanilla extract
  • 4 large eggs
  • ¾ cup Guinness (or any stout beer of your choosing)
  • 1 cup all-purpose flour
  • ½ cup unsweetened cocoa powder
  • 1 teaspoon kosher salt

Instructions

    Cup of Yum
  1. Preheat the oven to 350°F. Line a 9"x9" square baking pan parchment paper and spray with cooking spray (or forgo the parchment paper, and butter and flour the dish.) Set aside.
  2. Combine ¾ cup of dark chocolate chunks and the butter in a heat-safe bowl. Heat the mixture in the ingredients in 30-second increments in the microwave, removing the bowl and stirring after each session. You could also do this in a small saucepan on the stovetop over medium heat, which is what I did for the photographs. Melt the butter first, then add the chocolate chips and stir until melted.
  3. Once all the chocolate is melted, measure in the granulated sugar, and stir vigorously until combined. You want the mixture to be smooth and to not see or feel any sugar granules anymore.
  4. Pour in the vanilla extract, and stir to combine. Set aside so that the chocolate mixture can cool slightly.
  5. Crack the eggs in a large bowl, and break the yolks using a fork or a whisk. Measure in the brown sugar, and whisk vigorously until combined. The brown sugar should be dissolved into the egg mixture.
  6. Pour the slightly cooled chocolate mixture slowly into the egg mixture, whisking as you do this to combine the ingredients together. Stir until everything is incorporated.
  7. In a medium-sized bowl, combine the flour, cocoa powder and salt. Whisk to combine.
  8. Sprinkle the dry ingredients into the wet ingredients, and stir before pouring in the Guinness. Stir until there are no longer lumps, and the mixture is well combined.
  9. Add the remaining chocolate chips, and stir to combine.
  10. Pour the brownie batter into the prepared baking dish and transfer to the preheated oven.
  11. Bake for 35-40 minutes, or until the edges are firm and an inserted toothpick comes out clean.
  12. Let the brownies cool before sprinkling with powdered sugar or frosting them, slicing and serving.
  13. Enjoy with a glass of milk... or a pint of Guinness.

Notes

  • This recipe was adapted from Joy the Baker's Beer Brownies recipe and has evolved even more over the years.
  • This recipe originally called for a Cream Cheese Icing Drizzle. You can find the recipe for the drizzle here and can dye it green, if desired. These brownies are excellent on their own, too.

Nutrition Information

Serving 1 brownie Calories 169kcal (8%) Carbohydrates 27g (9%) Protein 3g (6%) Fat 6g (9%) Saturated Fat 3g (15%) Polyunsaturated Fat 2g Cholesterol 32mg (11%) Sodium 63mg (3%) Fiber 1g (4%) Sugar 20g (40%)

Nutrition Facts

Serving: 12large brownies

Amount Per Serving

Calories 169

% Daily Value*

Serving 1 brownie
Calories 169kcal 8%
Carbohydrates 27g 9%
Protein 3g 6%
Fat 6g 9%
Saturated Fat 3g 15%
Polyunsaturated Fat 2g 12%
Cholesterol 32mg 11%
Sodium 63mg 3%
Fiber 1g 4%
Sugar 20g 40%

* Percent Daily Values are based on a 2,000 calorie diet.