For the salmon
01 -
1 lb (450 g) salmon fillets, skin-on or skinless
02 -
1 tablespoon olive oil
03 -
3/4 teaspoon kosher salt, divided
04 -
1/4 teaspoon black pepper
For the pasta and sauce
05 -
10 oz (285 g) fettuccine or linguine
06 -
2 tablespoons unsalted butter
07 -
1 small shallot, finely chopped
08 -
4 cloves garlic, minced
09 -
3/4 cup (180 ml) heavy cream
10 -
1 teaspoon Dijon mustard
11 -
1/2 cup (50 g) finely grated Parmesan cheese
12 -
5 oz (140 g) baby spinach
13 -
1/2 cup (120 ml) reserved pasta water, plus more as needed
14 -
1 teaspoon finely grated lemon zest
15 -
1 tablespoon fresh lemon juice
16 -
2 tablespoons chopped fresh parsley or dill, optional