Cook the pasta according to package instructions. Reserve 1 cup of pasta water.
In a large skillet, melt the butter over medium heat.
Add minced garlic and cook for 1-2 minutes until fragrant.
Add the shrimp to the skillet and cook for 2-3 minutes on each side until pink.
Remove the shrimp from the skillet and set aside.
In the same skillet, add the heavy cream and bring to a simmer.
Add grated Parmesan cheese, red pepper flakes, salt, and pepper. Stir until cheese is melted.
Add the cooked pasta and reserved pasta water to the sauce, and toss to combine.
Add the cooked shrimp back to the skillet and stir.
Serve hot and garnish with fresh basil leaves.