Zucchini Tomato Frittata

From eDiets (note: this recipe = 1 serving)

Ingredients:
1 large egg
1 egg white
1/2 tsp. of olive oil
1/2 cup of squash, zucchini or yellow
1 Italian plum tomato
1 green onion
1 oz. of low fat or nonfat shredded cheddar cheese

Directions:
Preheat broiler. In a small bowl, beat eggs lightly and mix in the cheese; set aside. Rinse and chop the zucchini, tomato, and green onion. Heat an ovenproof skillet with the oil over medium heat and cook vegetables for about 5-6 minutes until zucchini is crisp tender. Add egg mixture and cook on low medium heat until eggs are almost set, for about 5 minutes. Place skillet in broiler about 4-5 inches from the heat for about 1-2 minutes until top is set.