In a food processor, puree the onion and garlic.
Process in the lemon and lime juice, add spices and
the yogurt and process to blend. Marinate the chicken
breasts in this mixture turning occasionally overnight
in the refrigerator.
Prepare a charcoal or wood fire and let it burn down
to embers.
Remove the excess marinade and grill for 5 minutes on
each side or until done. Serve with YogurtCilantro
sauce to taste.
