Chicken Kefta Kebab

Name: Chicken Kefta Kebab
Ingredients: 2 lbs/907g ground chicken; ½ large onion; 2 large garlic cloves; handful of parsley; handful of mint; 2 teaspoons Arabic spice mix (baharat) store bought or homemade; 1 teaspoon turmeric; 1 teaspoon hot sauce (optional); 1 teaspoon salt or to taste; oil for coating and drizzling; 1 teaspoon black peppercorn; 1 teaspoon coriander seeds; 1 small cinnamon stick, coarsely chopped; ½ teaspoon whole cloves; ½ teaspoon ground allspice; 2 teaspoons cumin seeds; 1 teaspoon cardamom pods; ½ whole nutmeg, grated