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 parsley, lemon juice, nuts, and black pepper if desired.
05 - Serve warm as a side dish or a base for main courses.