Turkish Chicken Kebab | Video

Name: Turkish Chicken Kebab | Video
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Ingredients: 1 kg chicken breast (diced); 2 tbsp tomato paste (tomato purée); Juice of half of lemon; 1 tsp minced garlic (garlic paste); 1 tbsp oil; 1 tbsp paprika; 1 tsp Aleppo chilies (or dried red chili flakes); 2 tbsp natural yogurt; 1/2 tsp ground cumin (cumin powder); Salt to taste; 10 cherry tomatoes (halved); 1 small cucumber (chopped); 1 small red onion (sliced); 1 tbsp sumac; Salt and pepper to taste; Sumac (to sprinkle on chicken); Yogurt (to serve); Lemon wedges (to serve); 20 bamboo skewers