cook the pasta for as long as it says to on the packet. set aside.
in a large frying-pan, heat oil in medium-high heat. Saute the onions and garlic. Stir in the chicken, basil salt and tomatoes. Reduce heat to medium and cover the pan. Simmer for 5 minutes and stir frequently.
toss sauce over the top of pasta to coat and serve with parmesan.