In small bowl, beat flour and water with wire whisk or hand beater until smooth. In shallow dish or pie plate, toss bread crumbs, salt and red pepper.
Dip tofu cubes into batter, then roll in bread crumb mixture to coat.
In 10-inch skillet, heat oil (1/2 inch) over medium-high heat. Cook 15 nuggets at a time in oil about 1 minute, turning once, until golden brown. Drain nuggets on paper towels. Serve hot with barbecue sauce.