French cauliflower soup with scallops

Name: Cauliflower soup recipe with scallops
Prep time: 20 mins
Cook time: 20 mins
Yield: Serves 6
Ingredients: 1 head cauliflower, leaves removed; 3-4 tbsp olive oil; 1 medium onion, chopped; 1 medium leek, chopped; 2 small sticks celery, chopped; 500ml whole milk; 1 nutmeg; 100ml double cream; Mild curry powder, for sprinkling; 9 scallops; Juice of 1/2 lemon; 1-2tbsp chopped chives; Crusty bread (to serve)