Baked Spaghetti Casserole - Loads of spaghetti smothered in ricotta cheese and sour cream, topped with meaty spaghetti sauce and baked to perfection! This is what I'm talking about! Loads of spaghetti smothered in ricotta cheese and sour cream, topped with meaty spaghetti sauce and baked to perfection! You were saying? Uh yes, this is