Since 1867. Italian recipe. This Sicilian favorite combines the sweetness of tomatoes with the smooth subtle tones of ricotta cheese. Adding Filippo Berio olive oils to the recipe takes the flavor even further. Pesto perks up pastas and pasta salads, potato salads, sandwiches and soups. And it's a surprisingly scrumptious ingredient in hummus and dips! Non-vegetarian cheese. www.filippoberio.com.