In medium saucepan combine broccoli, carrot and onion in water. .Bring to a boil. Cover an simmer 6-8 minutes until vegetables are tender-crisp. Drain well.
Meanwhile, in a small bowl, beat egg product,basil,parsley,mustard and pepper. thoroughly. Coat a large nonstick skillet with cooking spray. Preheat over medium heat. Spread cooked vegetables in the bottom of skillet. Sprinkle with 1/2 the cheese. Pour egg mixture over vegetables. As mixture sets run a spatula around edge of skillet lifting egg mixture so uncooked portion flows underneath
Continue cooking until almost set but still glossy.Remove from heat sprinkle with rest of cheese. Cover and let stand 3 minutes or until top is set.
Cut into wedges to serve. If desired serve with tomato slices.