Cooking Steps
Step 1 
Preheat oven to 180°C (350°F). Cook rainbows according to package directions. Drain and reserve.

Step 2 
Meanwhile, heat oil in a nonstick, ovenproof skillet set over medium heat. Sauté onion, mushroom, broccoli, salt and pepper until tender. Stir in pasta; spread mixture evenly in skillet.

Step 3 
Whisk eggs with milk and pesto. Pour evenly over skillet mixture. Bake for 30 minutes or until set. Sprinkle with cheese during the last 10 minutes.
