1 1/2 lb Chicken breasts (boneless

           -and skinless)
      1 md Onion

      3    Cloves garlic

      1    Inch piece fresh ginger

    1/4 c  Plain yogurt

      2 ts White vinegar

      2 ts Chili powder

      2 ts Ground coriander

      1 ts Ground cumin

    1/2 ts Turmeric

           Salt (optional)
           Lemon juice
           Garam masala
           Lettuce leaves
           Onion rings
           Lemon wedges
  Cut the chicken into 2-inch squares and press flat.  Grind the onion,
  garlic, and ginger to a paste and mix with the yogurt. Add the vinegar and
  spices, and rub into the chicken well. Leave for 3 hours to marinate.
  Sprinkle the chicken with salt if you wish and thread onto skewers. Place
  under a hot broiler or over a barbecue and cook until tender and crisp.
  Sprinkle the chicken with lemon juice and garam masala and serve on a bed
  of lettuce leaves surrounded with onion rings and lemon wedges.