PREP: 25 minutes CHILL: 1 hour GRILL: 9 minutes MAKES 4 burgers 2 slices whole wheat bread, torn 1⁄4 cup salted macadamia nuts or cashews 1⁄4 cup loosely packed fresh cilantro leaves 2 cloves garlic 1 15-ounce can black beans, rinsed and drained 1 tablespoon hoisin...
