2Brown the chuck roast on both sides in a frying pan.
3Transfer the browned chuck roast to a slow cooker.
4Deseed 10-12 guajillo chili pods.
5Simmer 2 tomatoes, 1/2 onion, 10-12 guajillo chili pods, 6-8 chiles de arbol, and 6 garlic cloves.
6Place everything into a blender.
7Add seasonings: 2 tbsp of chicken bouillon, 1 tbsp of cumin, 1 tbsp of garlic powder, 1 tbsp of paprika, 1 tbsp of oregano, 1/2 tsp of thyme, and 1/2 tsp of salt.
8Add a splash of apple cider vinegar.
9Fill with low sodium beef broth.
10Strain the blended mixture onto the meat in the slow cooker.
11Add 2 bay leaves.
12Cook on low for 7 hours.
13Use 25-calorie tortillas.
14Warm the tortillas in the slow cooker.
15Assemble the tacos with the cooked meat, onions and cilantro.