For the Shrimp:

• 1 pound large shrimp, peeled and deveined
• 1 tablespoon Cajun seasoning (store-bought or homemade)
• 2 tablespoons olive oil

For the Creamy Sauce:

• 4 tablespoons butter, divided
• 1/2 cup yellow onion, finely chopped
• 1/4 cup green bell pepper, finely chopped
• 2 cloves garlic, minced
• 1/4 cup all-purpose flour
• 2 cups heavy cream
• 1 cup chicken broth
• 1/4 cup grated Parmesan cheese
• 2 tablespoons chopped fresh parsley, for garnish
• Salt and freshly ground black pepper, to taste
• Cooked pasta (linguine, fettuccine, or your favorite), for serving
• Optional: A pinch of red pepper flakes for extra heat
• Optional: 1 tablespoon Worcestershire sauce for added depth of flavor
• Optional: 1/4 cup dry white wine (such as Sauvignon Blanc or Pinot Grigio)