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.

Mix together cake mix, margarine and egg., The mixture will be more like a dough., Spread the mixture into a 9 x 13 x 2-inch size pan., Set aside., Mix in a blender or mixer, powdered sugar, eggs and cream cheese., Pour the mixture of powdered sugar, eggs and cream cheese over the cake mixture., Bake at 350 for 40 minutes or until golden brown., Let cool before cutting into bars. The cake will fall; don't panic, it is suppose to!
yellow cake mix, margarine, egg, powdered sugar, eggs, cream cheese