1. Cook fettuccine according to package directions. Meanwhile, in a large skillet, saute the onion, celery, peppers, green onions and garlic in 2 tablespoons butter until tender. Stir in the cream, wine or broth, Creole seasoning, salt, pepper flakes and pepper. Bring to a boil. Reduce heat; simmer, uncovered, for 5-6 minutes or until thickened.
2. In another large skillet, saute sausage and shrimp in remaining butter for 5-6 minutes or until shrimp turn pink. Drain fettuccine; toss with vegetable mixture and sausage mixture. Yield: 6 servings.