Special equipment: Tandoor oven. Clean and cut the chicken breasts into 20 small pieces. Whisk the yogurt in a small bowl, and then stir in 2 teaspoons oil, the garlic paste, ginger paste, lemon juice, cumin, chili powder, garam masala, turmeric and salt to taste. Mix the chicken into the marinade until saturated, and then set aside to marinate for 3 hours to 3 hours 30 minutes.