Toast bread and cut into cubes. Set aside.
Spray a large microwave-safe mug lightly with nonstick spray. Add bread cubes, egg substitute, cheese wedge pieces, and ham, and stir. Microwave for about a minute. Stir gently, and then top with shredded cheese. Microwave for another 30 to 45 seconds, until scramble is just set. Stir and enjoy!
PER SERVING (entire mug): 174 calories, 3.25g fat, 1,081mg sodium, 9g carbs, 1g fiber, 2.5g sugars, 25g protein