Sauté green onions and mushrooms in butter until soft. In blender, combine eggs, Half-and-Half, milk, salt and pepper. To assemble, spread mushroom and green onion mixture in bottom of pie crust.
Sprinkle with cheese. Add broccoli and tomatoes, pour egg and milk mixture over all. Bake at 350° F one hour. Let stand about 5 minutes before serving.Servings: 6 to 8