I like to serve this over rice, but it is equally as tasty stuffed into warm flour tortillas, or over a bed of tortilla chips and smothered with cheese, avocado and sour cream; it has ENDLESS leftover possibilities (which is a very good thing)!!
I like to use a 2 pound pork tenderloin, because it is nice and lean, but any 2-3 pound pork roast will work. My crock pot is a big one and it tends to run a little hot, so this pork is fall apart tender (for me) in 6 hours ON THE LOW SETTING. Depending on your crock pot, it could take as many as 8 hours on low, but that is unlikely, just start checking for tenderness at 6 hours.
1 1/2 cups DRY PINTO beans (rinse, but DO NOT soak)
(1) 4 ounce can of mild green chilies (I use Ortega)
3 teaspoons chili powder (see note)
2 teaspoons ground cumin
2 teaspoons salt
1 teaspoon dry oregano
1 clove garlic minced
1 cup chopped sweet onion
healthy pinch of dry red pepper flakes (optional see note)
Brown the pork well and put it in the crock pot. Saute the onions and garlic in the same pan and then mix them with the DRY beans, spices, canned chilies then pour over the meat. Add just enough water to mostly cover the beans and meat, it should look like this:

VARIATION: The beans in this recipe make OVER THE TOP delicious re-fried beans. Just fish out the beans and put them in the food processor with a little bit of the liquid. You'll never buy canned refried beans again!!?
NOTE: A word about the heat or spice in this recipe. My hubby
NOTE: If I'm making this for children, I back off the chili powder to 2 teaspoons and omit the chili flakes.
ENJOY !!!?