1Cut the chicken breast into small strips.
In a bowl, mix the chicken strips with chili powder, cumin, salt, and pepper.
Heat the olive oil in a pan over medium heat.
Add the seasoned chicken strips to the pan and cook until fully cooked, about 6-8 minutes.
Warm the corn tortillas in a separate pan or microwave.
Slice the avocado and prepare the toppings: shredded lettuce, diced tomatoes, and shredded cheddar cheese.
Assemble the tacos by placing the cooked chicken on each tortilla.
Top with avocado slices, lettuce, tomatoes, cheese, and a dollop of sour cream.
Serve immediately and enjoy your Spicy Chicken Tacos!