Mixing: In a mixer bowl cream the butter and Lakanto Monkfruit/Allulose Sweetener. Add pumpkin puree, eggs, sourdough starter, and vanilla together. Mix well. In a separate bowl whisk together Sprouted White Whole Wheat Flour, oat flour, baking soda, Baking Powder, salt, and cinnamon. Add dry ingredients to the wet, mixing just until combined. Set aside. Mix the crumble topping together.