Most homemade barbecue ... and it's easy to keep stocked in your pantry. Plus, adding your own sugar, instead of using sugary ketchup, gives you control over the sweetness of the sauce.
To assemble the burger, spread a little bit of your favourite barbecue sauce on the bottom bun, then place lettuce on top. Top with pickled onions, barbecue burger patty, and crumbled blue cheese.