I just love this place! I've been going there for years and I've always loved the food. It is not only one of my favorite places in Oak Ridge, it's just one of my favorite places period. The burgers are great & they are probably most known for their steak in a sack, but I am devoted to their yummy ham and cheese. They are like nowhere else. They even have some Greek food, too. The fries are also usually awesome, but I have occasionally gotten some that were a little below the standard. Everything else is always so good, it's not worth complaining. I've taken friends there & everyone has done nothing but rave, as well. Don't miss this place. In my book, it is an institution!
My dad ate here for lunch every day in high school, and brought my brother and I to try it for the first time (and my dad's first time since 1988!) Easily the best roast beef sandwich I've ever had. Dad says it's just as good as he remembers. It's no wonder they've been in business for so long. If you're in Oak Ridge, Billy's is a must-visit.