
In a medium saucepan, bring apple juice to a boil. Add celery and red pepper; simmer for two minutes. Remove vegetables; set aside.
In the same saucepan, combine juice with cumin and hot pepper flakes. Bring to a boil and simmer for three minutes. Stir in greet onions, couscous, dill and salt.
Cover, remove from heat and let stand for five minutes. Fluff with a fork and spread couscous mixture over mixed salad greens in a shallow dish. Top with celery and red pepper; drizzle lightly with dressing