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Ultimate Fudgy Brownie Cookies with a Crackly Top

Two fudgy brownie cookies on a white plate, one broken in half revealing a molten center.

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Make rich, chewy brownie cookies that have the signature shiny, crackly top of a perfect brownie. These decadent treats satisfy intense chocolate cravings.

Ingredients

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

Instructions

  1. Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until completely combined.
  3. Add the eggs one at a time, mixing well after each addition until the mixture is smooth and glossy. Stir in the vanilla extract.
  4. In a separate medium bowl, whisk together the cocoa powder, espresso powder (if using), and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  6. Gently fold in the chocolate chips.
  7. Scoop rounded tablespoons of dough onto the prepared baking sheets, leaving about 2 inches between them. The dough will be soft.
  8. Bake for 10 to 13 minutes. The edges should look set, but the center will still look slightly underdone and shiny. This is key for fudginess.
  9. Immediately after removing the cookies from the oven, sprinkle the tops lightly with flaky sea salt, if desired.
  10. Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely. The tops will develop their crackle as they cool.

Notes

  • For the best crackly top, do not flatten the dough balls before baking. The high sugar and egg content creates the meringue-like surface.
  • Chill the dough for 30 minutes if your kitchen is warm; this helps prevent excessive spreading.
  • These cookies are best eaten within 3 days for maximum fudginess.

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