Pat shrimp dry with a paper towel.  Season shrimp on both sides with red pepper, paprika, and Cajun seasoning.  Heat oil in large skillet.  Add onion and peppers.  Sauté 3-4 minutes or until tender.  Add shrimp and garlic and cook shrimp 2 minutes per side.  Remove shrimp from pan, leaving the oil in the skillet.

     To skillet, add tomato sauce, water, chicken bouillon, chili sauce, and Worcestershire sauce.  Bring to a boil, then reduce to simmer for 10-15 minutes.  Remove from heat and stir in heavy cream.  Season with salt & pepper and more Cajun seasoning to taste.

     Boil pasta and drain.  Add pasta and shrimp to sauce.  Squeeze lemon juice over pasta and sprinkle with parsley.