Pesto Shrimp Pasta without herbs

1/2 pound chicken breast 6 ounces pasta, penne 2 cups spinach leaves 4 tablespoons parmesan, parmigiano-reggiano cheese, grated grated 3 tablespoons basil[...]

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[...]