In a large saucepan, saute the onion, red pepper and garlic in oil until tender. Add the tomatoes, tomato sauce, wine or broth, oregano, parsley, Worcestershire sauce and pepper flakes. Bring to a boil. Reduce heat; cover and simmer for 10 minutes.
Add the clams, shrimp and scallops. Bring to a boil. Reduce heat; cover and simmer for 3 minutes or until shrimp turn pink and scallops are opaque. Yield: 2 servings.