Saute Onion In Butter Until Soft But Not Brown. Add Curry And Wine And Simmer Until Wine Evaporates. Add Tomatoes Salt And Pepper. Cook Over Medium Heat About 20 Minutes. Set Shrimp On Top, Ans Season Lightly With Salt And Pepper. Cover And Cook Over Low Ehat 2 Minutes, Turn Shrimp Over And Cook 2 More Minutes. Sprinkle With Parsley And Serve.