1. Preheat oven to 350°.
2. Place French fried onions, Japanese breadcrumbs, and chopped pecans in an even layer in a 15- x 10-inch jelly-roll pan. Bake 8 to 10 minutes or until toasted, stirring after 5 minutes.
3. Prepare Buttermilk White Sauce and Simple Blanched Green Beans as directed. (Do not plunge beans into ice water.) Gently toss together green beans and roasted red bell peppers, and spoon onto a serving platter. Top with Buttermilk White Sauce, and sprinkle with toasted pecan mixture.