Three Cheese Quiche

1 C. sliced fresh mushrooms
1 C. finely chopped onion
1 C. chopped fresh broccoli
5 eggs
2/3 C. milk
1/4 C. chopped roasted red peppers
1 C. shredded three cheese blend
1 frozen deep dish 9in. pie crust, unbaked

Heat oven to 375.
Cook mushrooms, onions, and broccoli in skillet sprayed with cooking spray on medium heat 5 min. or until crisp-tender, stirring occasionally. Remove from heat.
Beat eggs and milk in medium bowl with whisk until well blended. Stir in vegetable mixture, peppers, and 1/2 C. cheese; pour into pie crust. Place on baking sheet.
Bake 35 min. top with remaining cheese; bake 5-10 min. or until knife inserted in center comes out clean. Let stand 10 min. before serving.