ADVERTISEMENT
Mix cottage cheese, cream cheese, and sour cream together in a bowl; spread mixture over spaghetti. Cover with remaining spaghetti and top with remaining slices of butter.
Pour ground beef mixture over spaghetti and spread in an even layer.
Bake in the preheated oven for 30 minutes. Spread Cheddar cheese on top and continue baking until cheese has melted and is lightly browned, about 15 minutes more.
