Brown the ground beef or bison and drain.
Sprinkle with taco seasoning and up to 1 cup water.
Simmer until most of water is absorbed.
Put beans, garlic powder, and minced onion in food processor.
Process, adding rice milk, until mixture is smooth.
Stir bean mixture into meat.
Add rice milk if needed to achieve desired consistency. We like ours like a thick sauce (about the consistency of chili).
Add salt if needed.
Pour over noodles and serve.