Created by Deitcher on October 2, 2014
Step 1: Preheat oven to 350 and line a 9×9 inch pan with aluminum foil and spray with cooking spray. Also line a baking sheet with parchment paper or foil and spray with cooking spray. Set aside.
Step 2: In a food processor combine flour, brown sugar, salt, and diced butter. Blend until a coarse meal forms. Add pecans, and oats and continue to pulse until combined and coarse. Moist, but not clumping.
Step 3: Press 3½ cups of the mixture into the bottom of your 9×9 inch pan. Put remaining crumbs on the baking sheet and bake for 8-10 minutes until golden stirring once. Remove from oven. Bake the crust 10-12 minutes and remove from oven. Keep the oven on while preparing filling.
Step 4: Beat together cream cheese and pumpkin until smooth. Add sugar, egg, cinnamon and sugar. Spread over the crust. Bake about 20 minutes until the edges start to rise.
Step 5: For the topping: Combine sour cream, sugar, and vanilla. Spread over warm filling and bake an additional 5 minutes until set. Remove from oven and sprinkle baked crumbs on top. Cool completely, cover, and chill for at least 2 hours.