In a small pot mix dates, cinnamon, water and jam. Stir on medium heat until blended and softened. If using whole dates, mash with a fork as they begin to soften. Some texture is perfectly fine. Remove to cool slightly.
In a large bowl mix dry ingredients and 1 tsp cinnamon. Using a pastry knife cutting shortening into dry flours.
Spray a 10"x 8" casserole dish with nonstick spray.
Sprinkle 1/2 of the crumb mixture onto the bottom of dish and using the back of your fingers press crumbs down firmly.
Dollop large spoonfuls of date mixture over crumbs and spread evenly from side to side.
Sprinkle remaining crumb mixture over top to cover filling.
Bake in a preheated 350F oven for 35min. Allow to rest 10 min. then cut into squares and allow to cool completely.
*If it cools completely before cutting it will be firm and sticky*