A Sensitive or Delicate Issue, Like a Piping Tuber

Puzzle 9 of All Things Ice Cream Easy Pack

Question is: A Sensitive or Delicate Issue, Like a Piping Tuber

and the answer is: HOTPOTATO

Word Meaning:

HOT POTATO — (uncountable) A child's game in which players pass a ball or other item between them, with the object of avoiding being left holding the item when time expires.

Definitions from Wiktionary.

A sensitive or delicate issue, like a piping tuber All Things Ice Cream Answers | CodyCross Solutions