A cozy, easy, and crowd-pleasing baked spaghetti casserole recipe featuring cream cheese, marinara sauce, ground beef, and mozzarella cheese. Ready in under an hour.
Substitutions: Ground turkey or Italian sausage for beef. Add mushrooms or bell peppers. Different cheeses like provolone or Italian cheese blend. Add red pepper flakes for spice. Can be prepped ahead and refrigerated; add 10-15 minutes to baking time. Can be frozen unbaked; thaw overnight and add 15-20 minutes to baking time.