For the pasta and shrimp
01 -
12 oz (340 g) medium shell pasta
02 -
1 lb (450 g) large shrimp, peeled and deveined
03 -
1 teaspoon kosher salt, divided, plus more for pasta water
04 -
1/2 teaspoon black pepper
05 -
1 tablespoon olive oil
For the creamy spinach mushroom sauce
06 -
2 tablespoons unsalted butter
07 -
1 small yellow onion, finely chopped
08 -
8 oz (225 g) cremini mushrooms, sliced
09 -
4 garlic cloves, minced
10 -
4 cups (120 g) fresh baby spinach
11 -
1/2 cup (120 ml) low-sodium chicken broth
12 -
1 cup (240 ml) heavy cream
13 -
3/4 cup (75 g) freshly grated Parmesan cheese
14 -
1/4 teaspoon red pepper flakes, optional
15 -
1 tablespoon fresh lemon juice
16 -
2 tablespoons chopped fresh parsley