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.
Q: Place egg yolks, tartar, salt, water, lemon juice and sugar in the top of a double boiler., Place over boiling water (upper pan should not touch water)., Beat with a rotary or electric mixer for 7 minutes or until mixture is thick and fluffy and holds its shape., Stir in lemon rind and spread on cake., This icing especially suitable for a white cake as well as Sunshine Cake.
A:
egg yolks, cream of tartar, salt, cold water, lemon juice, sugar, lemon rind