1. Mix all the ingredients together in a crockpot except the spices for the sauce. Cook on high for 4-5 hours. 2. Remove the beef from the liquid then shred it. Place in a bowl for later use. Strain the juice from the tomatoes & chilies but reserve 1/2 cup for later. 3. Place the tomatoes, chilies, & 1/2 cup of the juice into a food processor. Blend until no longer chunky. 4. Add the remaining spices then mix the sauce in with the shredded beef. Serve hot for tacos.
