Pronto pups exist, which are corn dogs but made with a wheat-based batter. Pretzel dogs and bagel dogs also exist; they sound pretty close to what OP was talki

Pronto pups exist, which are corn dogs but made with a wheat-based batter. Pretzel dogs and bagel dogs also exist; they sound pretty close to what OP was talking about. https://www.google.com/search?q=bagel+dog&tbm=isch https://www.google.com/search?q=bagel+dog&tbm=isch