1.
Bring a large pot of water to a boil; cook pasta until al dente.
2.
In the meantime, finely chop the olives. Transfer to a large bowl along with the pine nuts, parsley, and red-pepper flakes; stir in oil until combined.
3.
Drain pasta and add it to the olive mixture. Toss with the Parmesan to combine well. Serve in bowls with a little more sprinkling of Parmesan on top, if desired.