Stir in the minced garlic and shrimp, cooking until the shrimp turn pink, about 3-4 minutes.
Pour in the chicken broth and heavy cream, then sprinkle in the Cajun seasoning. Stir until all ingredients are well combined and simmer for 5 minutes.
Add the cooked pasta to the skillet, tossing everything to combine and soak in that delicious sauce.
Stir in the grated Parmesan cheese until it melts into the creamy sauce.
Season with salt and pepper to taste, adjusting as desired for the perfect flavor.
Garnish generously with chopped green onions and serve immediately for a steaming bowl of joy!