In the heart of Cajun Country, where the aroma of seafood boils and the sound of zydeco music fill the air, sits a humble white building that might not catch your eye at first glance.

That’s exactly what happens when you dig into the legendary biscuits and gravy at Mary B’s Diner in Parkersburg, West Virginia. Nestled along a busy street in Parkersburg, this unassuming eatery has ...