Rhubarb Crisp

You know that summer is fast approaching when you see the vibrant color of rhubarb spring up in your local market. When combined with sugar, this red celery-looking stalk transforms into a wonderful, buttery preserve with a tart sweetness that is perfect for this pie. The delectable combination of cinnamon, nutmeg, and vanilla give the rhubarb crisp a heaven-on-earth flavor. If you wish, you can substitute all-purpose gluten-free flour for the oat flour and buckwheat flour. The crisp can be