Creamy seafood stew

INGREDIENTS

• 1 tbsp olive oil
• 1 onion , chopped
• 2 celery sticks, chopped
• 1 garlic clove , crushed
• 175ml white wine
• 300ml chicken stock
• 1 tbsp cornflour , mixed to a paste with 1 tbsp cold water
• 400g bag frozen seafood mix , defrosted
• small bunch dill , chopped
• 5 tbsp half-fat crème fraîche
• garlic bread, to serve