There is something about ice-cold root beer poured into a heavy frosted mug that just tastes better than anything from a plastic bottle. A handful of Tennessee spots still do it the old-fashioned way, with real draft root beer and mugs kept cold until the moment you order.
Some come with carhops, others with soda-fountain floats, and one even pairs its brew with burgers and a beer garden. Here are four places across the state where the frosty mug is still the main event.
1. KN Root Beer of Martin, Martin, TN
Step onto the lot at KN Root Beer in Martin and you are basically stepping into a slice of small-town history. The draft root beer here comes in a genuinely frosty mug, and regulars will tell you it tastes like proper old-fashioned draft, not the flat stuff from a can.
Carhops handle the service, so you can settle in and let the food come to you. The menu leans classic and made to order, with the pizza burger and Frito chili pies standing out as house specialties.
Onion rings and corn dogs round out the quick-bite lineup, and a kids’ menu keeps the younger crowd happy.
Prices sit in the friendly ten to twenty dollar range per person, which makes it an easy lunch or dinner stop. There is no table service and no restroom, so think of it as a casual grab-and-enjoy spot rather than a sit-down affair.
You will find it at 241 N Lindell St in Martin, a rural college town up in Weakley County. Hours run Monday through Saturday from 11 AM to 8 PM, with Sundays closed, and parking is rarely a problem.
2. Frosty Mug Drive In, Harrogate, TN
Up near the Cumberland Gap, the Frosty Mug Drive In wears its name proudly and backs it up with the real deal. It is a casual American spot built around quick bites and its namesake frosty mugs, the kind of drive-in that keeps busier than the other places within a few miles.
The kitchen turns out hot dogs, burgers, and Philly cheesesteaks, with burgers that come thick and full of flavor. Dessert is part of the draw too, so there is a reason to hang around after the main meal.
Fast service is one of the calling cards here, and you can dine in, grab it to go, sit outside, or even get delivery. Coffee and comfort food are on the menu, and there is a kids’ menu for the little ones.
The address is 350 Catalpa Ave in Harrogate, an Appalachian town in Claiborne County. Doors are open Tuesday through Saturday from 10 AM to 8 PM, closed Sunday and Monday, and parking is easy to find.
3. A&W Restaurant, Madisonville, TN
A&W is a name plenty of people know from the root beer alone, but the Madisonville location gives you the whole classic drive-in experience. It leans into that old-school setup, complete with the kind of drive-in style ordering that harks back to cruising days.
The famous A&W root beer shows up here the way it should, ice-cold and served in a mug. Around it you get the familiar lineup of burgers, chicken, and fries, made with fresh ingredients and served fast.
What sets this one apart is how rare the sit-and-order drive-in format has become. Stopping here on the way to the Smoky Mountains has turned into a small tradition for travelers coming through the area.
You will find it at 3989 US-411 in Madisonville, a rural town in Monroe County in East Tennessee. Unlike the others, it is open seven days a week from 10:30 AM to 9 PM, and it has restrooms, outdoor seating, and dogs are welcome outside.
Parking is plentiful and the kids’ menu makes it an easy family stop.
4. The Pharmacy Burger Parlor & Beer Garden, Nashville, TN
Nashville brings the frosty mug into the city with The Pharmacy Burger Parlor & Beer Garden, where an old-time soda fountain shares the spotlight with a lively outdoor patio. The house-made root beer here is served on tap, creamy and cold, and it stands out even in a town full of food options.
Order it straight in a frosted glass or turn it into a root beer float, which is one of the signature treats. The Pharmacy cream soda and chocolate malts round out the fountain side of things.
The food is where it gets ambitious, with creative burgers like the White Oak BBQ Burger and the Mission City Burger, plus a full lineup of house sausages including bratwurst and currywurst. Hand-cut sweet potato fries and tater tots make solid sidekicks, and there is a vegetarian Biergarten Platter too.
Set at 731 McferrinAve in the historic East Nashville neighborhood, this one is the most full-service spot on the list. It takes reservations, has high chairs and changing tables, welcomes dogs, and is open every day, though street parking in the area can take a little patience.
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