Giant Rainbow Cookies Ingredients 2 cups + 2 tablespoons all-purpose flour 1/2 teaspoons baking soda 1 1/2 sticks (12 tablespoons) of salted butter, melted and cooled 1 cup brown sugar 1/2 cup sugar 1 egg + 1 egg yolk, at room temperature 2 teaspoons vanilla extract 1 cup mini m&m’s Instructions Please visit: [url