Ground Beef Beef Donner

Never tried an easier way to make kabab, yet very delicious. Ingredients: 600 g Ground Beef 1 big onion Green Bell pepper 2 Tomatoes Garlic 2 tbsp Greek Yogurt 1 tsp Paprika 1/2 tsp Black Pepper 1 tsp Salt 1 tsp Cumin 1 tsp onion powder 1 tbsp olive oil 1 tbsp Lemon Juice Harissa Wr