This Baked Cream Cheese Spaghetti is a comforting dinner dish featuring tender spaghetti tossed in a savory ground beef and marinara sauce, enriched with cream cheese and sour cream for extra creaminess, and topped with a golden, melty mozzarella crust. Perfectly seasoned with Italian herbs and Parmesan, it’s a crowd-pleaser that elevates classic spaghetti into a rich, baked casserole.