Preheat broiler. In a small bowl combine the eggs, egg whites, milk, snipped chives and pepper: stir in 2 tablespoons of the finely shredded cheese.
In an 8-inch nonstick broiler proof skillet heat oil over medium. Add 1/2-inch pieces asparagus and sliced green onions; cook and stir 2 minutes. Add coarsely chopped spinach and minced garlic; cook 30 seconds or just until spinach is wilted.
Pour lightly beaten egg mixture into skillet; reduce heat to low. Cook, covered, 10 to 12 minutes or until nearly set. Sprinkle with remaining 2 tablespoons cheese.
Place skillet under broiler 4 to 5 inches from heat. Broil 1 minute or just until top is set and cheese is melted. Top with chopped tomato.
Percentages are based on a diet of 2000 calories a day.