Soak rolls in cold water. Clean, wash and chop the peppers. Wash and clean the zucchini and cut them in pencils. Peel garlic and chop finely. Chop 30 g cashew nuts.
Squeeze the buns well. Knead together with minced meat, garlic, egg and cashew nuts. Season with salt and pepper. Form into 16 longish meatballs and put them on 8 skewers. Heat butter in a pot.
Sauté the peppers, zucchini and 30 g cashew nuts in it. Add rice and spices and fry briefly. Add 500 ml hot water and season with salt. Cover and cook over low heat for about 10 minutes until the liquid is completely absorbed.
Heat the oil in a grill pan. Fry the skewers for 4-5 minutes on each side. Season yoghurt with pepper. Garnish with mint. Serve rice with the skewers. Serve with yoghurt.