Sausage, ricotta, and mozzarella–a baked cannelloni casserole

No one in my household was Italian, no one cooked Italian food, (neither my mother, who never cooked, or our live-in maid), no Italian heritage oozes through my genes. However, everyone loved Italian food. To this day, from childhood memories and taste buds which take me back, I remember that my two younger siblings and…