How to Make It
Combine the tomatoes, anchovies, garlic, olives, oil, red pepper, and ½ teaspoon salt in a large bowl. Let sit, until flavors meld, at least 10 and up to 30 minutes.
Cook the spaghetti according to the package directions; drain. Add to the bowl with the sauce and toss to combine.
Serve topped with the basil and Parmesan.