Can you use frozen pumpkin to make a pie and then freeze the since was already cooked once?

Yes, you can use frozen pumpkin to make a pie and then freeze the since was already cooked once. In this case, it would be best to cook the pumpkin pie through before freezing it. Frozen pumpkin puree is commercially available, but you can also create your own by freezing your leftover cooked pumpkin. It's important to note that the quality of a pumpkin pie made with frozen pumpkin may be slightly affected since it has been cooked twice.