Cook Pasta according to package directions. Reserve 1 cup of pasta water before draining.
In a large skillet, brown Sausage over medium-high heat. Remove sausage and set aside.
Add Olive oil to the skillet. Sauté Onion until softened, about 5 minutes. Add Garlic and cook for 1 minute more.
Add Crushed tomatoes, Diced tomatoes, Creole seasoning, and Cayenne pepper to the skillet. Bring to a simmer and cook for 15 minutes, stirring occasionally.
Add Shrimp to the Sauce and cook until pink and opaque, about 5 minutes.
Return Sausage to the skillet. Add cooked Pasta and toss to coat. If sauce is too thick, add reserved pasta water, 1/4 cup at a time.
