Add all the seasonings to a small bowl and mix well.
2 teaspoons chili powder, 2 teaspoons ground cumin, 1 teaspoon cayenne pepper, 1/2 teaspoon smoked paprika, Salt and pepper
Pat the chuck roast dry with paper towels. Then rub the seasoning mixture all over.
3 pounds boneless chuck roast
Heat a large skillet over medium-high heat. Once hot, add oil and then sear the meat on all sides until browned, about 3-4 minutes each side.
1 tablespoon avocado oil
Add the beef to the bottom of the slow cooker pot. Top with onions and garlic.
1 onion, 3-5 cloves garlic
Next, add beef broth to the slow cooker, along with the tomato paste. Cover, then turn the slow cooker to low heat and cook for 6-8 hours. Another option is to cook on high heat for 3-4 hours.
1 cup beef broth, 3 tablespoons tomato paste
Once cooked, remove the roast from the slow cooker and transfer to a cutting board. Shred the meat with two forks, then return it to the slow cooker and stir into the sauce.
Finish it off by squeezing fresh lime juice on top and garnishing with fresh cilantro.
1 lime, Fresh cilantro
Serve with your favorite sides and toppings. Enjoy!