Pulled off I-24 in Smyrna, Tennessee to finally check out Karin’s Burger & Kustard, and this tiny hole in the wall drive-thru absolutely lived up to the hype. Tucked away at 470 S Lowry St, this spot might not look like much from the outside, but the food? Different story!🍔 They specialize in smash burgers and frozen custard, but we skipped the sweets this time and went all in on the savory side. We ordered a massive five patty smash burger stacked with cheese and a side of fried mac and cheese