1
Boil your meat for 1 hour on high heat
2
Add 1/2 onion, 1 garlic head, 3 bay leaves, and salt
3
Remove all that foamy stuff
5
Brown 2-5 chiles de árbol
6
Throw in blender with oil, onion, and garlic head from the broth
7
Add 1.5 cups of beef broth, ground cumins, 5-6 black peppercorns, 4-5 whole cloves, oregano, tomato, chicken bouillon, and white vinegar
10
Cook for another 2 hours