Pasta Puttanesca

Bahan-bahan

1 (28-ounce) can whole peeled San Marzano tomatoes, drained or cherry tomatoes

¼ cup extra-virgin olive oil

1 onion or shallot, finely chopped (⅓ cup)

¼ teaspoon sea salt

3 garlic cloves, finely chopped

¼ teaspoon red pepper flakes

2 tablespoons capers

½ cup pitted kalamata olives, roughly chopped

12 ounces spaghetti pasta

anchovy

¼ cup chopped fresh parsley or basil, plus more for garnish, if desired