null: The Chicago hot dog is a famous local delicacy served with mustard and relish, but never with ketchup! Cooking Across the World went to the Windy City to try this delicious local fare and find out more about its origins.


null: The Chicago hot dog is a famous local delicacy served with mustard and relish, but never with ketchup! Cooking Across the World went to the Windy City to try this delicious local fare and find out more about its origins.