Preheat over to 350 degrees. Grease a 12 in x 8 in baking pan and set aside.
Place all topping ingredients in the Vitamix (if using) or an electric mixer. Mix on low until smooth.
Meanwhile, in a large-sized mixing bowl stir together oat mixture ingredients. poor topping mixture over oat mixture, mixing well with a wooden spoon. The mixture should be very thick.
Stir in fruit, chocolate, and/or coconut, mix well. pour into prepared pan and spread even on top
Bake for 25-30 minutes or lightly browned on the edges.
Cool completely and cut into desired bar size.
Recipe by Three Hungry Boys at https://www.threehungryboys.com/2021/09/02/monster-breakfast-bars/