01 - Pat shrimp dry and season evenly with salt and black pepper.
02 - Heat 1 tablespoon butter in a large skillet over medium-high heat. Cook shrimp 1 to 2 minutes per side until pink and opaque; remove and set aside.
03 - Add remaining butter and minced garlic to the skillet; sauté for 30 seconds until fragrant.
04 - Pour in heavy cream, bring to a gentle simmer, then stir in Parmesan cheese. Cook for 2 to 3 minutes, stirring until sauce thickens.
05 - Stir in lemon juice and crushed red pepper flakes if using. Adjust salt and pepper to taste.
06 - Return shrimp to the skillet, toss to coat thoroughly, and cook for 1 minute.
07 - Incorporate zucchini noodles and cherry tomatoes if desired. Toss gently for 2 to 3 minutes until noodles soften but remain slightly firm.
08 - Plate immediately and garnish with chopped fresh parsley.