In a large skillet, heat 2 tablespoons oil over medium-high heat. Add jackfruit; cook and stir until caramelized, 8-10 minutes. Stir in taco seasoning and remaining 1 tablespoon oil; mix well. Remove from the heat; keep warm., In a small bowl, mix all green salsa ingredients. For sour cream sauce, whisk together sour cream and milk until smooth. Serve jackfruit in tortillas with salsa, sour cream sauce and, if desired, lime wedges.