Choosing anchovies canned in water instead of oil spares extra fat calories. Anchovies are a great source of calcium if you eat the bones.
Cook pasta according to package directions, omitting salt and fat. Drain.
While pasta is cooking, combine capers and next 8 ingredients (capers through pepper) in a bowl.
Return pasta to pan. Stir in caper-anchovy mixture, tomatoes, onion, basil, and parsley. Sprinkle with cheese. Serving size: 1 cup pasta mixture and 1 tablespoon cheese.