Quick-pickled cukes give these burgers tart crunch. Panko and egg white hold the patties together. Use cilantro leaves on the burgers as you would lettuce for herby freshness.
I fully admit that around this time of year I go a little squash crazy (examples: mashed with mascarpone, curried in soup, curried in another soup, in pasta with bacon, in farro salad). I tend to …