Tuna Pasta With Tomato and Olives

Name: Tuna Pasta With Tomato and Olives
Ingredients: Kosher salt for the pasta water, plus more to taste; 12 ounces short pasta (such as shells, macaroni, rigatoni); 3 tablespoons extra virgin olive oil (plus 2 tablespoons if you are using tuna packed in water); 1/4 cup minced shallot or onion; 2 teaspoons minced garlic; 1/2 teaspoon red pepper flakes; 2 (5-ounce) cans tuna packed in olive oil , drained; 1 (14-ounce) can crushed tomatoes; 1/4 cup chopped Kalamata olives; 1 teaspoon capers; 1/2 teaspoon black pepper; 1/4 cup shredded Parmesan cheese; 1 tablespoon chopped fresh parsley