Beef:

• 3 pounds Beef chuck roast, boneless
• 2 tablespoons Olive oil

Seasonings:

• 2 Yellow onions (about 2–3 cups)
• 4 garlic cloves (4 teaspoons)
• 2 Dried Ancho chiles
• ½ teaspoon ground cinnamon
• 1 tablespoon Ground Cumin
• ½ teaspoon Ground Smoked Paprika (or Ground Chipotle Pepper)
• ½ teaspoon Dried thyme (ground or whole)
• 1 tablespoon Dried oregano
• 2 teaspoons salt
• 2 teaspoons Ground black pepper
• 2 bay leaves
• 1 cup Fresh Cilantro Leaves
• 8 ounces Tomato sauce (or crushed tomatoes)

Additional:

• 4–5 cups Beef stock or broth
• 18 Corn Tortillas, 6 inch (assumes 3 tacos per serving)
• 20 ounces Oaxaca cheese, shredded (mozzarella is a good substitute)