Preheat oven to 400°F.
Add the oat flour, cornmeal, baking powder and flax meal to a mixing bowl and stir well.
Stir in the apple cider vinegar and soy milk.
Pour mixture onto a parchment lined pizza pan.
Lay a piece of parchment on top and roll crust out to the edge of the pan with a rolling pin.
Bake for 15 minutes.
Stir sauce ingredients together in a bowl.
Once crust is finished baking, spread the sauce on the crust.
Sprinkle the pinto beans over the sauce and bake for 10 minutes.
Once out of the oven, let the crust cool for a few minutes before adding the toppings.
Add the nacho cheese sauce ingredients to a blender and blend until smooth.
Drizzle the nacho cheese sauce onto the pizza.