Krusteaz Butter Vanilla Sugar Cookies are The Perfect Sugar Cookie. Tasty and sweet and you can make them however you want them: soft and gooey or firm and crispy. And easy to make? Oh yeah. Just heat your oven to 350°F and stir together egg, butter, and this cookie mix until the dough forms. Then press the dough into your desired cookie shape and bake until you see that perfect golden brown. This order includes a 14-ounce box.