Prepare the cornstarch glaze by mixing the cornstarch and water and then microwaving (or boiling) until a thick gluey substance is made. (allysonkramer.com)
My experience is that potatoes get gluey when «mashing» with a food processor. (thefitfork.com)
(exa: Child has glued a yellow circle onto an orange piece of paper and comes to show you the big gluey mess of artwork. (nantolbert.org)