In a food processor, combine the remaining ingredients {excluding the flax, salt, and pepper}. Pulse until chopped, then add the beans. Pulse again until everything is in very fine pieces, but is not one smooth mess. Transfer to a bowl, and mix in the quinoa, then flax seeds, salt, and pepper.
If the mixture is still very wet, add a flour {oat flour is my favorite for veggie burgers} of your choice a few Tablespoons at a time. The mixture should be dry enough that you can shape it into patties, but wet enough that you'll still have a little bit on your hands.Form all of the dough into patties about 1" thick.
Heat a heavy skillet over medium heat. Add oil if it isn't non-stick, and cook the patties until golden on each side.
Serve on buns of your choice with greens, tomatoes, and condiments.
Recipe by The Kitchen Paper at http://c02.ddd.mwp.accessdomain.com/white-bean-quinoa-veggie-burgers/