For the pasta and shrimp
01 -
12 oz (340 g) penne pasta
02 -
1 lb (450 g) large raw shrimp, peeled and deveined, tails removed
03 -
1 teaspoon kosher salt, divided, plus more for pasta water
04 -
1/2 teaspoon black pepper
05 -
1 tablespoon olive oil
For the cheese spinach sauce
06 -
2 tablespoons (28 g) unsalted butter
07 -
4 cloves garlic, minced
08 -
1/4 teaspoon red pepper flakes, optional
09 -
4 cups (120 g) fresh baby spinach
10 -
1/2 cup (120 ml) heavy cream
11 -
1/2 cup (120 ml) reserved pasta water, plus more as needed
12 -
1 cup (110 g) freshly shredded mozzarella cheese
13 -
1/3 cup (30 g) freshly grated Parmesan cheese
14 -
1 tablespoon fresh lemon juice
15 -
2 tablespoons chopped fresh parsley