1. In a large pot with boiling salted water, cook pasta until al dente; drain. 2. While pasta is cooking, brown sausage in a skillet over medium heat. 3. Add peppers and onions. Cook for 2-3 minutes. 4. Reduce heat; add Half & Half and all remaining ingredients and heat through. 5. Reduce sauce to thicken, or if you prefer, add some parmesan cheese to thicken. 6. In serving bowl, toss pasta with jambalaya sauce. Serve with grated parmesan cheese if desired.