In a large pot of boiling salted water, cook pasta according to package instructions; drain well.
Melt butter in a large cast iron skillet over medium high heat. Add shrimp, garlic and red pepper flakes. Cook, stirring occasionally, until pink, about 2-3 minutes.
Stir in wine and lemon juice. Cook, stirring occasionally, until slightly reduced, about 5 minutes; remove from heat.
Stir in pasta, lemon zest and parsley; season with salt and pepper, to taste.
Serve immediately, topped with Parmesan.
Notes
*Chicken stock can be used for white wine as a non-alcoholic substitute.