Soak the cashews in water overnight (or at least 4 hours in advance). Set them in the fridge if soaking overnight.
Preheat oven to 350° F. In a large mixing bowl, knead together all the ingredients.
Spray the baking pan with a light layer of oil to grease the pan. Roll into small meatballs, smaller than a walnut, and place in a baking pan.Bake for 20 minutes, or until meatballs reach at least 165° F. on a meat thermometer.
While the meatballs cook, blend all the sauce ingredients in a blender until smooth. Adjust the thickness with extra liquid as needed.
When the meatballs are done, pour the sauce over them in the baking dish and serve.
Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.