Million Dollar Spaghetti is a comforting, crowd-pleasing dish that combines layers of rich Italian sausage, savory marinara sauce, and a creamy cheese filling, all topped with gooey mozzarella. This baked spaghetti casserole is perfect for family dinners or casual gatherings, providing the flavors of Italy right at your table. With its easy preparation and make-ahead options, this recipe ensures you can serve up a hearty meal without a fuss. Each bite offers a delightful mix of flavors and textures that will leave everyone asking for seconds!