Zé do Pipo Style Codfish cooked in milk - Riberalves

Ingredients

• 600 g deep-frozen soaked codfish Riberalves
• 2 medium onions finely chopped
• 1 l of milk
• 4 tablespoons olive oil (or corn oil)
• 1 bay leaf
• 250 g of mayonnaise
• 750 g of mashed potato (fortified with butter, milk, cream, nutmeg and salt)
• 2 tablespoons of breadcrumbs
• 2 tablespoons of Parmesan cheese
• 4 pitted black olives, sliced into rounds
• chopped curly parsley