Ground beef or lamb
Black pepper
Sumac powder
Turmeric powder
Onion, finely minced
Salt
Tomato
Onion
Cooked white rice
Naan
Sumac powder for garnish
Combine ground meat, pepper, sumac, turmeric, onion, and salt. Cover and chill for 4 hours, or up to overnight. The meat should turn slightly yellow from the turmeric.
4 hours
Shape meat mixture around skewers.
Grill skewers, tomato, and onion until cooked through.
Serve kebabs, tomato, and onion with the rice or naan. Garnish with additional sumac to taste.