Preheat the oven to 450 degrees.
Add the cashews, water, nutritional yeast, arrowroot powder and vinegar to a food processor. Blend until smooth. Pour mix into a saucepan and heat on medium for 3 minutes making sure to stir continuously.
Brush the top of the pizza crust with olive oil and sprinkle on the minced garlic. Drop tablespoons of the cashew mix on the pizza and spread with a butter knife. Top with tomato slices. Bake for 10-12 minutes. Add basil and balsamic reduction.