Turkey And Roasted Vegetable Quiche

Name: Turkey And Roasted Vegetable Quiche
Ingredients: 1/2 cup lowfat milk; 1 cup chopped or shredded cooked turkey or chicken; 1/2 teaspoon baking powder; 2 ounces blue cheese, such as Danish or Point Reyes, crumbled; 2 teaspoons all-purpose flour; 3 eggs; 1 tablespoon olive oil; 1 (9-inch) pie crust, in pie pan; 1/2 small yellow onion, thinly sliced; 1/2 pound asparagus, trimmed and cut into 2-inch pieces; 1/2 red bell pepper, cored, seeded and thinly sliced; Salt and pepper to taste; 2 egg whites