Bring the water in the pot to a boil. Pour the potatoes into the pot for 15 minutes.
Drain the potatoes, then return them to the pot. Slowly add the warm milk mixture, mashing with a potato masher or blending with a mixer until the potatoes are smooth and creamy. Season to taste.
Put the Alaska Pollock Finger on the bottom of your baking dish.
Add the baby corn, brocolli and carrot over the Alaska Pollock Finger. Spread the mashed potato and cover with mozzarella cheese.
Bake in an oven preheated to 180°C for 8-10 minutes, until the cheese is golden brown.