Connie Kazan on Instagram: "Levain Copycat Walnut Chocolate Chip Cookies Ingredients • 1 cup butter, room temperature • 1 cup brown sugar • ½ cup granulated sugar • 2 large eggs • 1 teaspoon vanilla extract • 2½ cups all-purpose flour • 2 tablespoons cornstarch • 1 teaspoon baking soda • ½ teaspoon salt • 2 cups dark chocolate chips or chunks • 2 cups chopped walnuts Instructions 1. Cream butter & sugars In a large bowl, combine butter, brown sugar, and granulated sugar. Mix for 2–3 minutes usin