Pre-soak 2 cups pinto beans overnight and then cook at med-low temp until soft (or could substitute appropriate amount no salt/no fat canned pintos).
Add while cooking:
1 1/2 cups chopped onoin and 3 cloves garlic, crushed--even better is you fry these first in a bit of water or veg broth
1/4 cup tomato paste
When beans are soft and above adds have sort of had time to get friendly put mixture in food processor or blender and add:
1/4 tsp coriander
1/4 tsp black pepper
2tsp ground cumin
Blend until smooth and grab a toasted tortilla!
Yields 5 cups