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 oil, melted chocolate and sugar., Blend in one egg at a time until well mixed., Add vanilla., Stir in flour, baking powder, and salt into oil mixture., Chill several hours or overnight., Drop by teaspoonfuls (i use a small ice cream scoop)., into confectioners sugar., Roll in sugar shape into a ball., Cook @ 350 for 10 - 12 minute (Do not over-bake).
vegetable oil, chocolate squares, sugar, eggs, flour, baking powder, vanilla, salt, sugar