Dice the potatoes and onions.
Cut the salmon into bite-sized pieces.
Boil the pasta in boiling water.
Heat olive oil in a pan and sauté the potatoes and onions.
When the potatoes are cooked, add the salmon and stir-fry.
Add the cooked pasta to the pan and mix well.
Season with milk, salt, and pepper.
Plate the pasta and garnish with parsley and cheese.