Green Peppercorn Duck

• 1 garlic clove
• 1 bay leaf
• 1,900 ml water
• 1,300 gr duckling
• 60 gr onion (chopped)
• 50 gr celery (chopped)
• 18 gr salt
• 16 ml green peppercorns in wine
• 9 gr butter
• 5 gr flour