Jemma pays homage to old-school Italian-American joints with a touch of modern California flair. Experience the classics like spicy rigatoni and spaghetti & meatballs, as well as pizzas made with a dough that took over 4 years to perfect. A Dining Experience By Memento Mori Hospitality of Ospi, Jame and Jemma di Mare, from Jackson and Melissa Kalb.