Gather all your ingredients and be sure you have some large and quality lutefisk there.
Put the fish in a pan and sprinkle with plenty of fine salt. This helps in extracting liquid from the fish.
Preheat the oven to 250 degrees.
Rinse your fish after an hour or more, since it has released some liquid.
Grease baking pan with some oil.
Place the fish at the back with the skin side down and cover with aluminium foil. Put it in the oven and allow to bake for some minutes. When the fish is ready, place it on a nice plate.
Divide your quality bacon into whole pieces preferably cubes.Fry bacon in a saucepan until it's totally crispy. Pour the fried bacon into a nice bowl and bring the oil.
Boil a pan of water and pour in the peas. Let it boil for 2-3 minutes and strain off the water. Pour the peas into a food processor or use a hand mixer and mash it.
Pour the mixture into a bowl and add some butter and some cream and set it aside. In another saucepan, add a small quantity of butter and a small quantity of flour.Stir on low heat until smooth and add the milk, cook until the taste of the flour disappears. Bring your cheese, syrup, and potatoes and add a portion of each prepared item on a plate and serve.