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: Preheat oven to 350F., In a bowl whisk together whites, sugar, and vanilla until combined well and stir in flour and coconut., Sprinkle chocolate chips evenly over hot shortbread., Let chips melt and spread evenly over shortbread., Drop small spoonfuls of coconut mixture onto chocolate and with a fork spread evenly., Bake in middle of oven until top is golden, about 30 minutes., Cool completely in pan and cut into 24 bars., Bar cookies keep, covered, 5 days at room temperature.
A:
egg whites, sugar, vanilla, all-purpose, coconut, chocolate chips, base