Remove from the heat and set aside, still covered, for 5 minutes.
Simmer the cod in fresh cold water to cover for 20 minutes.
Add enough cold water to cover and cook for 30 minutes.
Soak them in cold water to cover for 20 minutes.
Soak the onion in cold water to cover for five minutes.
Cook, covered, at 100 percent power in a 650- to 700-watt oven for 3 minutes.
Allow to stand; covered with a heavy plate, for 10 minutes.
Remove from heat and set aside, covered, for five minutes.
Remove the pan from the heat and set aside, covered, for another 5 to 10 minutes.
Simmer the fruit in water to cover for about 15 to 20 minutes, or until soft.