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.

Cream butter and sugar; add eggs., Add vanilla, mix well., Add flour alternately with chocolate., Stir in nuts., Bake at 350 for 35 to 40 minutes in a 15 x 10 x 1-inch pan.
butter, sugar, eggs, flour, chocolate syrup, vanilla, nuts