Gather all ingredients and measure out spices—mise en place makes everything smoother!

In a medium saucepan over medium heat, combine chicken breasts and tomato sauce. Sprinkle in cumin, chili powder, garlic powder, onion powder, salt, and pepper.

Cover and simmer for 15 minutes, or until chicken is cooked through and reaches an internal temperature of 165°F (74°C).

Remove chicken from the pot and place on a cutting board. Shred with two forks, then return to the sauce and stir until fully coated.

Let the shredded chicken rest in the sauce for 2–3 minutes to soak up extra flavor—this step is key for tender, juicy filling.

Serve warm in soft tortillas or crunchy taco shells, and top with your favorite fixings.