Put your large pot of water onto the stovetop and set to boil.
Meanwhile, season the salmon on the flesh side and then bake in an extremely hot oven for 5 minutes.
Cook pasta in the boiling salted water according to the packet instructions.
Heat butter in a fry pan, add zucchini and cook for 2-3 minutes until beginning to crisp. Add garlic for 30 seconds, then add salmon. Cook for about 2 minutes then set aside
Place eggs, yolk, cream and parmesan in a bowl. Season, then mix gently with a fork.
Drain pasta, then return to pan. Quickly add egg and salmon mixtures and parsley.
Toss to combine - the heat from the pasta will cook the egg slightly and form a creamy sauce add 2 or 3 tablespoons of the pasta water, this will help thicken the pasta.
Serve immediately with extra parmesan and cracked black pepper on top.