I will usually freeze them on a baking sheet and then place in an air tight container or zip top bag and back into the freezer. Then just take them out and thaw on the counter the day before you are going to need them.

Of course, shortening is a solid fat that is used in baking. It is sometimes called lard or vegetable shortening. If you can not find shortening at your local store, you can substitute butter in this recipe.