Preheat oven to 350 degrees
For the crusts: in a bowl, mix together the oat flour and apple sauce. Roll into balls and press into the silicon cupcake pan. Shape into cups with your fingers. Bake for 8-10 min until the cups turn golden and cooked at the bottom. Set aside to cool.
For pie filling: Mix banana and pumpkin puree. Spoon into the cups. Top with whipped cream, Greek yogart or leave plain. Add a dash of cinnamon for color