Chili Chicken with Avocado Sauce

2 teaspoons chili powder
1/2 teaspoon ground cumin
4 boneless chicken breasts (1 pound)
Salt
1 large avocado
1/4 cup plain yogurt
1 clove garlic
1/4 cup water
2 teaspoons lime juice
1 tablespoon chopped fresh coriander
1 tablespoon olive oil

Combine chili powder and cumin. Sprinkle chicken with salt and coat with spices. Peel avocado and cut into chunks. In a blender combine avocado, yogurt, garlic, water, lime juice, 1/2 teaspoon salt and coriander. Mix until smooth.

Brown chicken in olive oil, 2 minutes a side. Cover, lower heat and cook until just done, about 3 minutes. Put chicken on plates and pour avocado sauce over.

Serves 4.