1 pound spaghetti, cooked and drained
Place 1/3 of spaghetti in a 9 X 13” baking dish. 
Dot generously with butter. 
Sprinkle with Parmesan cheese. 
Repeat with 2 more layers. 
Pour over 2 cups warm half and half.
Bake at 350 º F. until browned.