Chicken Chile Rub

6 chicken breasts
1 Tbsp olive oil
1 Tbsp chili powder
1 tsp dried oregano
1/2 tsp salt
1/4 tsp garlic powder
1/4 tsp onion powder

In a large bowl, toss the chicken breasts with the oil to coat well.  In a small bowl, comine the chili powder, oregano, salt, garlic powder, and onion powder.  Sprinkle the spice mixture over both sides of the chicken.  Cover and refrigerate for 30 minutes.  Preheat grill on high, then reduce the heat to medium.

Lightly oil the grill rack.  Cover and cook over medium heat, rutning once, about 15 minutes total.