1. Cut the cod into large chunks
2. Soak the cod for 24 hours in cold water
3. Changing the water at least 4 times
4. Fill a saucepan with cold water
5. Place cod in water
6. Bring to the boil
7. Simmer or 8 minutes
8. Drain cod
9. Allow to cool a bit
10. Pick flesh removing skin and bones
11. Peel potato and cut into cubes
12. Place in saucepan with cold water
13. Bring to the boil and simmer for 20 minutes till completely soft
14. pour 4 desert spoons of olive oil in a saucepan
15. On a medium heat cook garlic till soft (do not colour)
16. Heat remaining olive oil and milk in separate saucepans
17. Add cod to garlic pan
18. Add 1/4 hot milk to cod
19. Simmer, mixing till all the milk has been soaked up
20. Add 1/4 hot olive oil
21. Simmer, mixing till all the olive oil has been soaked up
22. Repeat the process till all the milk and olive oil is finished
23. Add boiled potatoes and mix together
24. Season with salt and pepper (taste first as cod is salty)
25. This can be served hot, warm or cold