In a large pot of salted boiling water, cook angel hair pasta about 8-10 minutes. Drain and set aside.

In a large skillet, heat oil over medium-high heat. Sauté the onions and garlic. Stir in the tomatoes, chicken, basil, salt, and hot pepper sauce. Reduce heat to medium and cover skillet. Simmer for about 5 minutes, stirring frequently until mixture is hot and tomatoes are soft.

Toss sauce with hot cooked pasta. Served with parmesan.