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Easy Fudgy Brownies Box Mix Upgrade

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A quick and simple way to upgrade boxed brownie mix with homemade touches for rich, fudgy, and indulgent brownies with a crackly top and melt-in-your-mouth texture.

Ingredients

Scale
  • 1 box of brownie mix (recommend Ghirardelli for best fudgy texture)
  • 2 large eggs, room temperature
  • 1/3 cup unsalted butter, melted (can substitute with coconut oil for dairy-free)
  • 2 tablespoons strong brewed espresso or instant espresso powder
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon kosher salt
  • 1/3 cup semi-sweet chocolate chunks or chips (optional)
  • Optional add-ins: chopped walnuts or pecans, swirl of peanut butter, 1/2 cup fresh or frozen raspberries

Instructions

  1. Preheat your oven to 325Β°F (163Β°C). Grease an 8×8-inch baking pan or line it with parchment paper.
  2. Melt the butter in a microwave-safe bowl or small saucepan and let it cool slightly (warm, not hot).
  3. In a large bowl, whisk together the eggs, melted butter, vanilla extract, and espresso powder until combined.
  4. Add the entire box of brownie mix and kosher salt to the wet ingredients. Stir gently just until combined; do not overmix.
  5. Fold in the chocolate chunks or chips gently.
  6. Pour the batter into the prepared pan and spread evenly with a spatula.
  7. Bake for 25-30 minutes. Start checking at 25 minutes by inserting a toothpick in the center; it should come out with moist crumbs but not wet batter.
  8. Let the brownies cool in the pan on a wire rack for at least 20 minutes before cutting.

Notes

Use room temperature eggs for better mixing and texture. Avoid overmixing to prevent cakey brownies. Baking at 325Β°F helps keep brownies fudgy. Tap the pan gently before baking to release air bubbles for a smooth top. Let brownies cool fully before slicing for clean cuts. Variations include adding nuts, raspberries, peanut butter swirl, or using dairy-free and gluten-free substitutes.

Nutrition

Keywords: brownies, fudgy brownies, box mix upgrade, easy dessert, chocolate dessert, quick brownies, homemade brownies