Chicken Tinga originating in Puebla, Mexico, it is shredded chicken in a tomato and chili chipotle sauce. It has a smoky flavor with just enough heat from the chipotle.
Spray large skillet with cooking spray; heat over medium-high heat. Add chicken; sprinkle with garlic salt and cook 3 to 5 minutes or until browned on both sides.
Add onion; cook until tender. Add drained tomatoes, tomato sauce and peppers; stir to combine. Reduce heat to low; simmer 20 minutes, stirring occasionally.
Remove chicken from skillet; shred with two forks. Return chicken to sauce mixture; stir to combine. Sprinkle each serving with cheese and avocado. Serve with rice and beans, if desired.