Winnipeg Free Press By: Declan Schroeder Oh, mini marshmallows... whither thou goest? Winnipeg Free Press Oh, mini marshmallows... whither thou goest? After a year filled with stress, suffering and often shortages, it was these puffy packets of sugary softness that represented, perhaps, the most unexpected empty spaces on store shelves. Mini marshmallows were in short supply over the Christmas season. (Robert Cronkleton / Kansas City Star files) The perfect storm of the innately Instagrammable "hot chocolate bombs" going viral online, the holiday season arriving, and more people being at home with time to kill making edible gifts meant bags of these sweet cylinders were snapped up as soon as they appeared.