The “JK” part comes from their daughters Jennifer and Karla. The Chicago part comes from the lean-but-juicy density of that Vienna frank and the soft-but-strong texture of poppyseed buns from ...

JK, you only need the brick ... Lightly brush the cut sides of the buns with melted garlic butter. Toast the bun halves on the grill until golden and crisp, about 45 seconds per side.