About The English translation of “nonna” is “grandmother” but to Italians, “nonna” has a deeper meaning evoking images of matriarchs passing down generations of recipes and hosting big gatherings to bring the family together. “The inspiration for Nonna Osteria has always been the same,” explains Chef Luca Della Casa. “I grew up in a big family where my Grandmother and Mom cooked huge Sunday suppers every week.