James Shanley brings finger limes to the Wednesday Santa Monica Farmers Market. This Australian citrus fruit is oblong and filled with little balls of juice. It's also called "citrus caviar" or "citrus pop rocks." More about the finger limes in the LA Times.
Paul Osher is the chef/owner of Bean & Thyme, which sells prepared foods at the Sunday Main St. (Santa Monica) Farmers Market. His recipe for beet and apple salad is here.