PREHEAT oven to 350°F. Heat dressing in large nonstick ovenproof skillet on medium-high heat. Add asparagus; cook 5 minutes, stirring occasionally.
BEAT eggs, milk and 1/2 cup of the cheese in medium bowl until well blended. Pour over asparagus; stir until well blended.
BAKE 20 minutes or until center is set. Sprinkle with remaining 1/2 cup cheese; continue baking 5 minutes or until cheese is melted. Cut into 4 wedges to serve.