In a small bowl add all of the spices and then mix well to combine.
If you have thick chicken breasts, cut them in half length wise so they are thinner.
Rub the spices mix on both sides of the chicken breast.
In a large skillet over medium-high heat add the olive oil and then add the chicken breasts.
Cook the chicken breasts for 3 minutes per side.
Spray a casserole dish with nonstick cooking spray.
Pour half of the salsa on the bottom of the baking dish, place the partially cooked chicken breasts on top of the salad, and then pour the remaining salsa on top of the chicken breasts.
Bake the chicken in the oven for 20 minutes, until the chicken reaches an internal temperature of 165°.
while the chicken is baking shred the cheese if you are not using pre-shredded cheese.
Remove the chicken from the oven and sprinkle cheese on top of the chicken.
Place the chicken back in the oven for an additional 5 minutes, until the cheese melts.