COD BRANDADE WITH ROASTED FENNEL AND OLIVES

Name: COD BRANDADE WITH ROASTED FENNEL AND OLIVES
Ingredients: 250g piece of skinless cod fillet; 1tsp salt; 150ml olive oil; 1 clove of garlic, peeled and thinly sliced; 1 small onion, peeled and thinly sliced; 1 bay leaf, fresh if possible; 250g potatoes, peeled and very thinly sliced (a mandolin is best if you have one); 300ml milk; Salt and white pepper; A squeeze of lemon; 1 large bulb of fennel, trimmed and quartered; A strip of orange peel; 1 star anise; 50ml water; A few olives to garnish