A cookie made with pumpkin as the main ingredient, whether it is a pumpkin spice cookie or your own creation, requires proper storage to keep it as fresh as possible. Baked goods require sealing to prevent them from going stale. In the case of pumpkin cookies, storing in the fridge or freezer will keep them fresh the longest.
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Remove the cookies from the oven after baking and allow them to cool. The website baking911.com suggests that you remove the cookies from the cookie sheet and allow them to cool completely on a cooling rack. If you let the cookies cool completely on the sheet, put the sheet back into the oven for one minute and remove them immediately after taking them out of the oven to prevent sticking. Wait to store the cookies until they feel cool to the touch.
Place a layer of pumpkin cookies in an airtight container without stacking them. Cover the cookies with wax paper and then put a second layer of cookies on top of the wax paper. Repeat until all of the cookies are in the container or the container is full. The wax paper will prevent the cookies from sticking together.
Close the container. Seal out the air to stop the cookies from getting stale or allowing bacterial growth.
Place the sealed container in your refrigerator. For short-term storage, the fridge is appropriate. Avoid leaving pumpkin cookies out, because the pumpkin and eggs in the cookies are perishable. If you added cream, milk or any other dairy product to the cookies, keeping your cookies in the fridge is vital to preventing food poisoning or other bacterial problems.
Store the cookies in the freezer if you need to store the cookies for more than two or three days. Depending on the specific pumpkin cookie recipe, they should stay fresh in the freezer for one month to six weeks. If your recipe results in crisp cookies rather than moist cookies, the cookies can last as long as three months in the freezer.
If your pumpkin cookie recipe does not require butter, milk or any other fat, avoid storing the cookies in the freezer. Cookies with a low fat content do not keep well in the freezer. Instead, plan to eat these cookies within three to four days.