Saute bacon and onion together until bacon is cooked to taste, or somewhat crispy on the edges, and onion begins to brown. Add sliced red bell peppers, salt and pepper to taste. Cook for 6 minutes, stirring occasionally; remove from heat. Prepare Leonardo Veggie Spirelli according to directions; drain well. Pour sauce over pasta; toss. Add grated parmesan cheese and toss. Add butter and parsley; toss again. Serve. Makes 6 servings.