If you're one of the millions of travelers who love the cookies at the Doubletree hotels, here is a my version with slight changes to the recipe published by Hilton Hotels. These are incredibly delicious.
The filling for this easy pie can be made in about 15 minutes. It's perfect if you're busy and need to use up the rhubarb in your garden. Although homemade pie crust is best, you can use a frozen or refrigerated one to save even more time.