How to Make It
Cook the penne in a large pot of boiling salted water until al dente. Drain the penne and toss with 1 tablespoon of the olive oil. Let cool to room temperature.
Meanwhile, in a blender, puree the basil, parsley, garlic, thyme, marjoram with the remaining 1/2 cup of olive oil. Scrape into a bowl and season with salt.
In a large bowl, toss the penne with the herb puree, tomatoes and olives and let stand at room temperature for at least 10 minutes to develop flavor. Just before serving, add the Pecorino, season with pepper and toss well.