PREHEAT oven to 375°F. Toss tortilla slices with 2 Tbsp. of the dressing; place in single layer on baking sheet.
BAKE 5 to 8 min. or until crisp and lightly browned; cool.
TOSS greens with tortilla strips, chicken, apples, red peppers and remaining 1/3 cup dressing. Serve immediately.