01 - Heat olive oil in a large skillet over medium heat. Add chopped onion and sauté for 2 to 3 minutes until softened.
02 - Add minced garlic and cook for 30 seconds until fragrant.
03 - Add ground beef to the skillet and cook, breaking it up with a spoon, until browned and cooked through, about 5 to 7 minutes.
04 - Stir in tomato paste, cumin, chili powder, smoked paprika, oregano, salt, and black pepper. Cook for 1 minute to blend flavors.
05 - Pour in beef broth or water, reduce heat, and simmer for 3 to 4 minutes until slightly thickened. Remove from heat.
06 - Warm tortillas in a dry skillet or microwave until pliable.
07 - Spoon beef mixture into each tortilla. Top with shredded cheese, lettuce, diced tomato, a dollop of sour cream, and cilantro if desired. Serve with lime wedges.