The Father’s Office burger with sweet potato fries. (Lawrence K. Ho / Los Angeles Times)
The burger at this seafood joint has a square bun,and it comes lavishly greased with Hook¿s cheddar. (Ricardo DeAratanha / Los Angeles Times)
The restaurant serves a Bosnian style hamburger. (Lori Shepler / Los Angeles Times)
The chiliburgers here are painted with yellow mustard and sluiced with a meaty, emulsified chili a few degrees spicier than the rest. (Anne Cusack / Los Angeles Times)
The Plan Check burger is a griddled patty layered with translucent ketchup leather, a microscopically thin layer of crisp, fried cheese, and shaved pickle. (Anne Cusack / Los Angeles Times)
The burgers here come with soft grilled onions, cheese and special sauce. (Bryan Chan / Los Angeles Times)
