01 - Cook fettuccine in large pot of salted boiling water according to package directions until al dente. Reserve 1/2 cup pasta cooking water, then drain and set aside.
02 - Heat 1 tbsp olive oil in large skillet over medium-high heat. Season shrimp lightly with salt and pepper, sauté 2-3 minutes per side until pink and opaque. Remove from skillet and set aside.
03 - In same skillet, reduce heat to medium. Add butter and remaining 1 tbsp olive oil. Sauté minced garlic 30 seconds until fragrant.
04 - Pour in heavy cream and bring to gentle simmer. Stir in Parmesan, black pepper, salt, and nutmeg. Simmer 2-3 minutes, stirring constantly, until sauce thickens slightly.
05 - Add drained fettuccine to sauce, tossing gently to coat. If too thick, add reserved pasta water a little at a time until desired consistency reached.
06 - Return cooked shrimp to pan and toss to combine. Stir in chopped parsley. Serve immediately, garnished with extra parsley and lemon wedges if desired.