– ¾ cup unsalted butter 1.5 sticks, room temperature
– ¼ cup granulated sugar
– ½ cup light or dark packed brown sugar
– 1 large egg room temperature
– 2 teaspoons vanilla extract
– 2 cups all-purpose flour
– 2 teaspoons cornstarch
– 1 teaspoon baking soda
– ½ teaspoon salt
– 1 cup chocolate chips semi-sweet, dark, milk… it's up to you