Codfish with cabbage - Riberalves

Ingredients

• 1 kg of deep-frozen soaked cod loins Riberalves
• 1 Portuguese cabbage
• 1 good sausage, thinly sliced
• 2 large onions, thinly sliced
• 5 cloves of garlic
• Olive oil
• 1 glass of white wine
• 50 g of corn flour
• 1 cup of black olives