Unicorn sundaes, brownie bowls and other genius ice cream hacks

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Marking National Hot Fudge Sundae Day, Justin Chapple of Food & Wine’s Mad Genius Tips shows TODAY easy hacks you can use at your own ice cream sundae bar, including pre-scooped muffin pan sundaes; hot fudge sauce warmed in a slow cooker, and make-ahead brownie bowls.