The Kitchn: Chewy, fudgy brookies are for dessert lovers who want it all
1/2 cup chopped raw walnuts (optional)
For the chocolate chip dough:
5 tablespoons unsalted butter
1 cup plus 2 tablespoons all-purpose flour
1/2 teaspoon kosher salt
1/4 teaspoon baking soda
1/2 cup packed light brown sugar
1/4 cup granulated sugar
1 large egg
1 teaspoon vanilla extract
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