Birria Tacos

Name: Birria Tacos
Prep time: 20 min
Cook time: 2 h 30 min
Total time: 2 h 50 min
Cuisine: Mexican
Ingredients: 4 dried ancho chiles; 2 dried guajillo chiles; 4 chipotle peppers in adobo; 4 garlic cloves; 1/2 cup crushed tomatoes; 1/2 cup water; 2 bay leaves; 2 tbsp red wine vinegar; 2 tsp thyme; 2 tsp whole oregano; 1 tsp ground ginger (or fresh ginger); 1/2 tsp ground cumin; 1/2 tsp ground allspice; 1/2 tsp paprika; 1 tbsp olive oil; 3 1/2 lbs beef or lamb (chopped in chucks, see notes below); salt and pepper to taste; 1/2 cup diced onion; 1 bouillon cube; 32 oz beef stock (or broth); 2 cups water; 18 corn tortillas; 1 1/2 cup chopped white onion; 1 cup chopped cilantro; Shredded oaxaca (or monterey jack cheese)