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Ultimate Fudgy Brownie Cookies with Crackly Tops

Close-up of fudgy brownie cookies topped with flaky sea salt, ready to eat.

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Make these rich, chewy brownie cookies that capture the deep chocolate flavor and signature crackly top of a perfect brownie. This recipe delivers decadent, gooey treats with minimal effort.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, melted
  • 1 1/2 cups granulated sugar
  • 1 cup packed light brown sugar
  • 2 large eggs, room temperature
  • 1 tablespoon vanilla extract
  • 3/4 cup unsweetened cocoa powder (natural or Dutch-process)
  • 1 teaspoon instant espresso powder (optional, deepens chocolate flavor)
  • 1/2 teaspoon salt
  • 1 cup all-purpose flour
  • 1/2 cup semi-sweet chocolate chips
  • Flaky sea salt, for topping (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Line two baking sheets with parchment paper.
  2. In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until fully combined.
  3. Whisk in the eggs one at a time until the mixture is smooth and glossy. Stir in the vanilla extract.
  4. In a separate bowl, whisk together the cocoa powder, espresso powder (if using), and salt.
  5. Add the dry ingredients to the wet ingredients. Mix gently with a spatula until just combined; do not overmix.
  6. Fold in the chocolate chips. The batter will be thick, similar to brownie batter.
  7. Scoop rounded tablespoons of dough onto the prepared baking sheets, leaving about 2 inches between each mound.
  8. Bake for 10 to 13 minutes. The edges should look set, but the centers will still look soft and slightly underdone. This is key for fudginess.
  9. Remove the sheets from the oven. Immediately sprinkle the tops with flaky sea salt, if desired.
  10. Let the cookies cool on the baking sheet for 10 minutes before transferring them to a wire rack to cool completely. The tops will develop their signature crackle as they cool.

Notes

  • For the best crackly top, do not overbake. The residual heat will finish cooking the center.
  • Use high-quality cocoa powder for the deepest chocolate flavor.
  • Chill the dough for 30 minutes before scooping if your kitchen is warm; this helps prevent spreading.

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