Blue Cheeseburger with fried pickled onions Start to finish: 1 hour Servings: 4 For the onions: 11⁄2 cups white vinegar 1⁄2 cup sugar 2 bay leaves 2 cups water 2 medium red onions, thinly sliced into rings 1⁄2 cup Wondra flour (also called instant flour) |