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 jello and hot water., Add frozen strawberries., This will thicken the jello., Take half the cake and pinch into bite size pieces; add to the jello mixture., Then mix Cool Whip with the ingredients., Place in serving dish and chill., Cut into squares and serve., Top with Cool Whip if desired.
cake, strawberry jello, water, strawberries