By Mandi Mena
Guinness Brownies
8 steps
Prep:45minCook:35min
These Guinness brownies are made from reduced Guinness Stout. They're fudgy, rich, and topped with espresso powder and Guinness infused frosting!
Updated at: Thu, 17 Aug 2023 12:08:59 GMT
Nutrition balance score
Unbalanced
Glycemic Index
66
Moderate
Glycemic Load
30
High
Nutrition per serving
Calories364.3 kcal (18%)
Total Fat20.4 g (29%)
Carbs45.9 g (18%)
Sugars36.9 g (41%)
Protein3.2 g (6%)
Sodium125.6 mg (6%)
Fiber1.2 g (4%)
% Daily Values based on a 2,000 calorie diet
Ingredients
16 servings
1 x 12 ounceguinness
bottle, extra stout
¾ cupunsalted butter
2 x 4 ouncesemi-sweet chocolate
bars, coarsely chopped
250ggranulated sugar
3eggs
large
1 teaspoonpure vanilla extract
1 cupall-purpose flour
spoon & leveled
½ teaspoonsalt
½ teaspoonespresso powder
optional
½ cupunsalted butter
softened to room temperature
240gconfectioners' sugar
1 teaspoonespresso powder
½ teaspoonpure vanilla extract
¼ teaspoonsalt
Instructions
Step 1
In a small saucepan, bring the Guinness to a boil over medium-high heat. Once boiling, reduce to medium heat and allow to simmer until reduced down to 2/3 cup, about 20-22 minutes. Set aside to cool for at least 10 minutes. You will use 1/2 cup in the brownies and the rest in the frosting.
Step 2
Preheat the oven to 350°F (177°C) and grease a 9×9 inch pan or line with aluminum foil or parchment paper, leaving an overhang on the sides to lift the finished brownies out (makes cutting easier!). Set aside.
Step 3
Place the butter and chopped chocolate in a large microwave-safe bowl. Melt in 30 second increments, whisking after each, until completely smooth. Whisk in the sugar and 1/2 cup of reduced Guinness until completely combined. Whisk in the eggs and vanilla extract. Finally, whisk in the flour, salt, and espresso powder (if using). The batter will be thick and shiny. Pour/spread evenly into prepared pan.
Step 4
Bake for 32 minutes, then test the brownies with a toothpick. Insert it into the center of the pan. If it comes out with wet batter, the brownies are not done. If there are only a few moist crumbs, the brownies are done. Keep checking every 2 minutes until you have moist crumbs. My brownies take about 35 minutes.
Step 5
Remove from the oven and place on a wire rack to cool completely before frosting or cutting into squares.
Step 6
Make the frosting: In a large bowl using a handheld or stand mixer fitted with a whisk attachment, beat the butter on high speed until completely smooth and creamy, about 2-3 minutes. Add the confectioners’ sugar, beating on low at first then increasing to high speed. Once creamy and combined, beat in 2 Tablespoons of reduced Guinness, the espresso powder, vanilla extract, and salt. Taste. Add the remaining reduced Guinness if needed. If you want the frosting a little thinner, add a splash of milk.
Step 7
Frost cooled brownies.
Step 8
Cover and store leftover brownies at room temperature for up to 1 week.
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