You will be given a definition of a task first, then some input of the task.
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.

Melt together chocolate and margerine in medium saucepan., Remove from heat stir in sugar, egg and yolk and vanilla., Mix well., Stir in flour and nuts., Shape into 3/4 inch balls., Place on ungreased cookie sheet., Bake at 350F (180C) F for 8 to 12 minutes., Melt 1 square chocolate and margerine., Remove from heat., Add remaining ingredients., Blend well., Dip cookies into glaze to cover., Allow to dry completly before storing in tightly covered container with waxed paper in between layers.
Output:
chocolate, margarine, sugar, eggs, egg yolks, vanilla, flour, nuts, chocolate, margarine, vanilla, powdered sugar, milk