Given the task definition and input, reply with output. In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Line 9 x 13-inch pan with wax paper., Mix first 5 ingredients and pour in pan., Shake dry cake mix and nuts over this. Dribble melted butter on top., Bake at 350 for 50 to 60 minutes., Cool, invert pan, remove wax paper and top with Cool Whip when ready to serve., "Better than pumpkin pie".
pumpkin, milk, sugar, eggs, pumpkin pie spice, cinnamon, yellow cake, nuts, butter