Arugula (Rucola) Pesto
A cold, uncooked emulsion of peppery arugula, nuts, cheese, acid and olive oil โ a finishing sauce, never a cooking one
Arugula pesto is a peppery, slightly bitter cousin of pesto Genovese: a cold emulsion of leaves, nuts, garlic, cheese, salt, acid and olive oil. Made well it's silky and integrated; made poorly it's a watery brown sludge. The keys are dry leaves, brief processing, and adding it off the heat.