Kofta with fresh green onion couscous

Name: Kofta with fresh green onion couscous
Ingredients: 1 kilogram minced lamb; 1 medium brown onion (150g), chopped finely; 2 clove garlic, crushed; 2 tablespoon lemon juice; 1 1/2 teaspoon ground cumin; 1 1/2 teaspoon ground coriander; 1/4 cup (40g) roasted pine nuts; 2 tablespoon finely chopped fresh mint; 1 tablespoon finely chopped fresh coriander; 1 egg; 12 bamboo skewers, soaked in cold water for 1 hour; 2 cup (500ml) beef stock; 2 cup (400g) couscous; 30 gram butter, chopped; 2 green onions, sliced thinly