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5-Ingredient Guinness™ Brownies


The Guinness beer adds a subtle but deep flavor to these scrumptious chocolaty brownies topped with a layer of fudgy frosting. Yum!

As prepared by Macheesmo,
January 24, 2017

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Rate this recipe 4.5/5 (8 Votes)


  • 1 (19.1-ounce) box Betty Crocker™ Supreme Brownie Mix Frosted
  • 1/2 cup Guinness™ Extra Stout beer
  • 1/4 cup melted butter, cooled
  • 2 large eggs
  • 1/2 cup chocolate chips
  • Non-stick spray, for pan


Servings 9
Preparation time 5mins
Cooking time 90mins
Adapted from


Step 1

Preheat oven to 350°F and thoroughly coat an 8 x 8-inch baking pan with non-stick spray.

Add brownie mix, beer, eggs and melted butter to a large bowl and stir together until just combined.

Transfer batter to pan and top with chocolate chips. Bake brownies until a tester comes out clean from the center, about 35 minutes.

Remove brownies from the oven and let cool completely. Frost with fudge frosting included in brownie mix package.

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