Cook the Pasta

1. Boil Water: In a large pot, bring salted water to a boil.
2. Cook Pasta: Add the angel hair pasta and cook according to package instructions until al dente.
3. Reserve Pasta Water: Before draining, reserve 1/2 cup of pasta water.
4. Drain and Set Aside: Drain the pasta and set aside.

Prepare the Garlic Shrimp Scampi

1. Heat Butter: In a large skillet, melt the butter over medium heat.
2. Sauté Garlic: Add the minced garlic and red pepper flakes (if using) and sauté for about 1 minute until fragrant.
3. Add Shrimp: Add the shrimp to the skillet, cooking for 2-3 minutes until they turn pink and opaque.
4. Deglaze: Pour in the white wine (or chicken broth) and lemon juice, scraping the bottom of the skillet to deglaze.
5. Add Zest and Parsley: Stir in the lemon zest and chopped parsley, and season with salt and pepper to taste.

Combine Pasta and Sauce

1. Toss with Pasta: Add the cooked angel hair pasta to the skillet, tossing to combine with the shrimp and sauce.
2. Add Reserved Pasta Water: If needed, add a little reserved pasta water to loosen the sauce.
3. Serve Immediately: Remove from heat and serve immediately.