Do Walmart ice cream sandwiches melt? Let's find out! I recently heard that you can buy ice cream sandwiches at Walmart that won’t melt! I wanted to see if this is true for myself, but I tested a different brand from my local grocery sure. Sure enough, the ice cream did not melt, even after a few hours under a hot light!!! The ice cream did get soft, it just wasn’t runny. So why won't ice cream sandwiched melt like other kinds of ice cream? Turns out ice cream in an ice cream sandwich is formulated to prevent rapid melting by using emulsifiers and/or modifying ingredient amounts — like adding more cream and sugar and less fat. So the Walmart ice cream sandwiches are not unique.

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