Bake for 15 minutes. Beginning at the narrow end of cake roll cake into a jelly roll while removing the underneath sheet of waxed paper. Place on serving dish and put in refrigerator to chill until ready to serve. Just before serving, sprinkle with powdered sugar. Preheat oven to 350F. Coat 9 inch springform pan with non-stick cooking spray.
Combine ingredients form crust and press mixture in botton of pan.
With wire wisk, combine ingredients for Pumpkin Layer and spread on top of crust. Bake in oven for 30 minutes. Chill cake in refrigerator. To add a special touch, pipe rosettes of cool whip around edge of cake and garnish with cinnamon sticks. Grated lemon peel tsp.