Combine arugula & garlic in the bowl of a food processor. Pulse until finely chopped. With machine running, slowly add olive oil until smooth. Remove mixture from processor & stir in Parmesan cheese, salt, & pepper. Toss with pasta, use as a dip, or spread in bread dough before baking.
Submitted by member Catherine Browning, adapted from a recipe by Giada de Laurentis