Just add water! Icing gets very hard. Excellent for pre-made flowers, gingerbread houses, cookies etc. Outline a cookie with this mix and use our cookie frosting mix # 8-1244 to fill in the design. You can use this as picture icing directions on the package too, however we feel the cookie frosting mix is much better tasting to fill in the cookie with. Longer lasting icing for display cakes. Great for flowers, but not suggested for icing on a cake to be served. 1 lb. bag does about 7 graham cracker houses. 1 1/2 lbs. does about a 7 x 9 x 7" house. There are 2 1/2 cups in a 1 lb. bag.