Turkish Skewered Meat Kebab

Name: Turkish Skewered Meat Kebab
Cuisine: Middle Eastern
Ingredients: 500g lamb or beef, cut into small 1 cm cubes; 1 small onion, grated; 2 cloves garlic, minced; 2 tbsp olive oil; 1 tbsp yogurt; 1 tsp ground cumin; 1 tsp ground coriander; 1/2 tsp ground red pepper or paprika; Salt and freshly ground black pepper to taste; Fresh parsley, chopped (for garnish); Lemon wedges (for serving)