01 - In a medium bowl, combine diced tomatoes, red onion, jalapeño, cilantro, lime juice, salt, and black pepper. Mix well and set aside to let flavors meld.
02 - Heat olive oil in a large skillet over medium heat. Add onion and cook for 2–3 minutes until softened. Add garlic and sauté 30 seconds until fragrant.
03 - Add ground beef, cook and break apart with a spatula until browned, about 5–7 minutes. Drain excess fat if needed.
04 - Stir in tomato paste, chili powder, cumin, smoked paprika, oregano, salt, black pepper, and cayenne. Mix well to coat the meat evenly.
05 - Pour in water, stir, and let simmer for 2–3 minutes until the mixture is juicy but not watery. Adjust seasoning if needed.
06 - Warm the tortillas in a dry skillet over medium heat or microwave until soft and pliable.
07 - Spoon seasoned beef into each tortilla. Top with shredded cheese, lettuce, a generous spoonful of pico de gallo, and avocado slices. Serve with lime wedges.