Pesto Tomato Toast without tenders

1 lb spinach pasta (you can really use any of your favorite pastas, but the spinach is best for this) 2 (15 ounce) cans Italian tomatoes 1 small onion , diced[...]

2 tablespoons oil 2 skinless chicken breasts , flattened 1/2 cup flour 1 1/2 cups grape tomatoes , halved 1 tablespoon margarine 1 small onion , sliced 2[...]