Bring a medium-size pot of salted water to a rapid boil over high heat.
Place the potatoes in a medium-size pot and just cover with cold, salted water.
In a medium-size pot, bring 3 cups water and the sugar to a boil.
Place heavy cream, milk, 1/2 cup sugar and the corn syrup in a medium-size pot.
In a medium-size pot, bring apple juice to a boil.
Bring a medium-size pot of water to a boil.
Drain cod, rinse under cold water, and place in medium-size pot.
Bring a medium-size pot of water to a boil and add the fava beans.
To make the sauce, bring a medium-size pot of salted water to a boil.
About 15 minutes before the shanks are done, place the potatoes in a medium-size pot over medium-high heat.