Traditional Greek meatball soup (Giouvarlakia)

Ingredients

• 500 gr. minced beef (ground twice)
• 1 egg
• 2 tablespoons finely chopped spearmint
• 4 tablespoons olive oil
• 6 tablespoons rice
• 1 onion, chopped
• 1 tablespoon of yogurt
• Salt
• pepper
• 1 lt chicken stock
• 2 carrots chopped julienne
• 2 sticks of celery, finely chopped
• 1 tablespoon KYKNOS Tomato Paste Double Concentrated (28-30%)
• 2 tablespoons olive oil
• 1 small onion, chopped
• 1 shot of ouzo
• 200gr. KYKNOS Chopped tomatoes in tomato juice