3 Combine ground beef, bread crumbs, egg white, salt and 1/8 teaspoon black pepper in large bowl, mixing lightly but thoroughly. Lightly shape into four 1/2-inch thick patties.4 Place patties on grid over medium ash-covered coals. Grill, covered, 11 to 13 minutes (over medium heat on preheated gas grill, covered, 7 to 8 minutes), until instant-read thermometer inserted horizontally into center registers 160°F, turning occasionally. About 2 minutes before burgers are done, p5 Spread equal amount of mayonnaise on bottom of each bun, top with burger. Evenly divide Slaw Topping over burgers. Close sandwiches.