This medium spice blend contains lemon juice, tamarind, ginger, coriander, garlic, and spices. The tandoor is a clay oven, used mostly in northern India. The result is a succulent cross between barbecuing and baking. Tandoori is the traditional marinade in northern India for meats that are to be grilled, barbecued, or baked. Tandoori meats are noted for the red coloring imparted from the spices.