Dairy Queen isn’t just known for their amazing blizzards. While you’re there, make sure you take the Upside Down Challenge. They have great food and one of the best menu items is their signature stackburgers. If you are a Dairy Queen rewards member, you can get a free stack burger. Buy one Signature Stack Burger, get one free between now and August 14th. To become a member, first you need to download the app and then start earning points. To redeem in the app, tap Use in Mobile Order on the deal and add two Signature Stack Burgers to your bag.
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