Creamy Cajun Shrimp and Sausage Pasta

Creamy Cajun Shrimp and Sausage Pasta Ingredients
1 lb. medium or large Shrimp, peeled and deveined
1 link Andouille Sausage or Smoked Sausage
12 ounces Fettuccine Pasta
4 - 5 tbsp Olive Oil
1/2 tsp Dried Oregano
2/3 cup Parmesan, grated
1 cup Heavy Cream
1 cup Chicken Stock
1/2 cup Crushed Tomatoes
1 tsp Brown Sugar
3 Garlic Cloves
3 tsp Creole Seasoning (Creole Kick)
1 Red Bell Pepper, diced small
1/2 Yellow Onion, diced small
1/2 large Yellow Bell Pepper, diced small
Kosher Salt and Fresh Ground Black Pepper to taste
1 tbsp Parsley for garnish (optional)