01 - In a medium saucepan, bring water or broth, olive oil, and salt to a boil.
02 - Remove from heat. Stir in couscous, cover, and let stand for 5 minutes.
03 - Fluff couscous gently with a fork to separate the grains.
04 - Stir in chopped parsley, lemon juice, toasted nuts, and black pepper if desired.
05 - Serve warm as a side dish or base for main courses.