Place chicken breasts in the base of a slow cooker. Season with taco seasoning. Add salsa, lime juice, garlic, and cilantro. Cook on high for 5-6 hours or low for 7-8 hours. Shred chicken with forks.
Assemble tacos on tortillas with shredded chicken, mango, bell pepper, and red onion. Top with salsa verde.
Recipe by Rachel Schultz at https://rachelschultz.com/2018/01/24/coconut-mango-steak-tacos/