Cook pasta according to package instructions. Drain pasta, reserving 1/4 cup of pasta water. Return pasta to pot (but do not return to heat).

Preheat large skillet 1-2 minutes on medium high heat.

Place shrimp in skillet and sauté for 5 minutes, stirring to break up shrimp.

Add prosciutto, peas and walnuts to the skillet with shrimp. Stir to incorporate. Simmer for additional 2-3 minutes or until shrimp are fully cooked.

Add 1/4 cup reserved pasta water to shrimp mixture and stir.

Pour shrimp mixture over pasta and toss. Spoon onto serving dishes.

Sprinkle with shredded Parmesan cheese and serve.