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.

Sift flour and salt together., Cream butter or margarine and sugar; add unbeaten egg., Beat well and add sifted ingredients slowly., Blend well and add vanilla., Drop by teaspoonfuls onto lightly greased cookie sheet., Bake at 350 for 8 to 10 minutes (watch closely, they burn easily) or until lightly browned., Let cookies sit for a few minutes before removing to rack.
sugar, egg, salt, vanilla, flour, margarine