Cook pasta to pkg. directions , in lightly salted boiling water. Drain and toss lightly with olive oil.
Chop onions and shallots coarsely. Dice tomato. Preheat large oiled saute pan over high heat. Add butter, shrimp, tomato, onions and saute for 1 minute. Add shallots, olives, and black pepper and saute for 1 minute. Add wine, reduce heat and simmer til creamy. Add more wine or pasta water if it becomes too dry. Put drained pasta in a bowl and pour sauce on top of pasta. Garnish with sliced lemon and parsley. Serves 2