Preheat oven to 325
Mix the salt, garlic powder, cumin, oregano, and cinnamon together in a small bowl
Season all sides of the chuck roast with the spice mix
Add the quartered onion and garlic to a large Dutch oven
Add the roast to the pot and any of the remaining spice mixture
Add the crushed tomatoes and chipotle peppers with the adobo sauce
Add the lime juice and bone broth until the roast is covered
Add in the cinnamon stick and bay leaves
Stir and cover
Cook for 4 hours at 325
After 4 hours, remove the roast from the broth and place in a separate dish
Use two forks to shred the meat
Add 1/2 cup of the broth to the shredded meat

To prepare the tacos, grill flour tortillas on an open flame until slightly charred
Mix the diced white onion, cilantro and juice of two limes together and season with Kosher salt
Add the shredded beef to the tortilla and top with the onions and cilantro
Serve with a side of the broth for dipping (the best part)