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The Ultimate Copycat Levain Bakery Chocolate Chip Walnut Cookies (Thick & Gooey)

A giant levain bakery chocolate chip cookie broken in half, showing melted chocolate oozing out.

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Make giant, thick chocolate chip walnut cookies at home that mimic the famous gooey center and crispy edges of Levain Bakery’s iconic treat.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup packed light brown sugar
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 1/2 cups semi-sweet chocolate chips or chunks
  • 1 cup milk chocolate chips or chunks
  • 1 cup chopped walnuts (optional)

Instructions

  1. Preheat your oven to 400 degrees Fahrenheit. Line baking sheets with parchment paper.
  2. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy, about 3 minutes.
  3. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  4. In a separate medium bowl, whisk together the flour, baking soda, 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 semi-sweet chocolate chips, milk chocolate chips, and chopped walnuts, if using.
  7. Scoop large portions of dough, about 6 ounces each (roughly 1/3 cup), and roll them into balls. Do not flatten the dough balls.
  8. Place the dough balls onto the prepared baking sheets, leaving at least 3 inches between them due to the cookie spread.
  9. Bake for 13 to 15 minutes. The edges should look set and golden brown, but the center should still look slightly soft and underbaked.
  10. Remove from the oven and let the cookies cool on the baking sheet for 10 minutes before transferring them to a wire rack to cool completely.

Notes

  • For the thickest cookies, chill the dough balls for at least 30 minutes before baking.
  • Use high-quality chocolate chunks for the best melt and texture.
  • If you prefer a less gooey center, bake for an additional 1 to 2 minutes.

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