Red Cookies from Mars! The red Martian Cookies are a prized possession or recipe, at least on Mars. You can learn how to make them, too. It not require an extreme amount of work to make, and a great project to do with your kids. You can color them any color you want, or color each batch a different color, making a whole set that will make your eyes water. The White chocolate tastes like toffee, when baked.