INGREDIENTS
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* 2 cups + 2 tablespoons all-purpose flour * 1/2 teaspoons baking soda * 3/4 cup (1.5 sticks) salted butter, softened * 1 cup light brown sugar * 1/2 cup sugar * 1 egg, at room temperature * 1 egg yolk, at room temperature * 2 teaspoons vanilla extra