When Christie Watson's son left a Walmart-brand ice cream sandwich sitting on their patio table in 80-degree heat, she was shocked to see that it hadn't melted – 12 hours later.
Thinking this must have been a fluke, Watson left a second ice cream sandwich out overnight, only to get the same results. WCPO Cincinnati, who picked up the woman's strange story, decided to try a little experiment of their own.
WCPO left out a Walmart-brand "Great Value" ice cream sandwich, a Klondike bar, and a pint of Haagen Dazs vanilla ice cream. The Haagen Dazs melted the fastest, followed by the Klondike bar – but again the Walmart sandwich retained its shape and appearance.
Nutritional scientist and culinary professor Grace Yek says there's nothing wrong with the sandwiches; it's the stabilizers, guar gum and cellulose gum, that prevent them from melting normally. Without these gums, Yek says, ice cream would get crunchy and hard after a few weeks.
Even though these gums are plant-derived ingredients, I still find something a little funky about ice cream that doesn't melt... and despite their "great value," I know I won't be buying ice cream from Walmart anytime soon.