Spaghetti Puttanesca (Spaghetti With Capers, Olives, and Anchovies) Recipe

Ingredients (13)

• 6 tablespoons (90ml) extra-virgin olive oil, divided
• 4 medium garlic cloves, thinly sliced or finely chopped by hand (see note)
• 4 to 6 anchovy fillets, finely chopped (1 1/2 to 2 tablespoons)
• 1 large pinch red pepper flakes
• 1/4 cup capers, drained and chopped (about 2 ounces; 60g) (see note)
• 1/4 cup chopped pitted black olives (about 2 ounces; 60g) (see note)
• 1 cup (225g) whole peeled tomatoes, preferably San Marzano, roughly broken up by hand (about half a 14-ounce can)
• One 5-ounce (140g) can oil-packed tuna (optional)
• 1/4 teaspoon Kosher salt
• 8 ounces (225g) dried spaghetti
• 1 tablespoon minced fresh parsley leaves
• 1 ounce (30g) finely grated Pecorino Romano or Parmesan cheese, plus more for serving
• 1/4 teaspoon freshly ground black pepper