On baking sheet lined with foil spread KELLOGG'S ALL-BRAN COMPLETE WHEAT FLAKES cereal. Sprinkle with cheese. Bake at 400°F about 6 minutes or until cheese begins to brown, stirring once. Cool completely.
On second baking sheet lined with foil spread bread cubes. Generously coat bread with cooking spray. Sprinkle with garlic salt. Bake at 400°F about 10 minutes or until lightly browned.
Meanwhile, in large bowl toss together lettuce, beans, tomato, salad dressing and green onions. Add bread cubes. Toss to combine. Spoon onto 4 serving plates. Sprinkle with cereal mixture. Serve immediately.