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.

Combine sugar, cornstarch and salt., Heat cream and coffee together; add gradually to cornstarch mixture, stirring constantly., Cook in double boiler until thick and smooth, stirring frequently, about 15 minutes., Pour part of mixture over egg, blending thoroughly., Return to double boiler and cook for two minutes longer., Cool and add vanilla extract., Turn into baked pie shell and pile high with lightly sweetened whipped cream.
sugar, cornstarch, salt, cream, coffee, egg, vanilla, pie shell, whipped cream