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Chewy Starbucks Double Chocolate Brownie Copycat Recipe

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Thick, chewy, and deeply chocolatey, these double chocolate brownies are a homemade version of the iconic Starbucks treat — with melty chocolate in every bite.

Ingredients

Scale
  • 1/2 cup (1 stick) unsalted butter

  • 4 oz dark chocolate (60–70%), chopped

  • 3/4 cup granulated sugar

  • 1/4 cup brown sugar

  • 2 large eggs + 1 egg yolk

  • 1 tsp vanilla extract

  • 1/2 cup all-purpose flour

  • 1/4 cup Dutch-processed cocoa powder

  • 1/4 tsp salt

  • 1/2 cup chocolate chips or chunks

Instructions

  • Preheat oven to 325°F (163°C). Line and grease an 8×8-inch baking pan.

  • Melt butter and dark chocolate together; let cool.

  • In a bowl, whisk eggs, yolk, and both sugars until light and thick (2–3 min).

  • Add vanilla and melted chocolate mixture; whisk until smooth.

  • Sift in flour, cocoa powder, and salt. Fold until just combined.

  • Stir in chocolate chips, reserving a few for topping.

  • Spread batter into pan, top with extra chips, and bake 30–35 minutes.

  • Cool completely, chill for clean cuts, then slice and serve.

Notes

Store at room temp for 4 days or freeze for 2 months. Add espresso or nuts for variation.