Bring water or broth and salt (optional) to a boil in a medium pot. Add couscous and butter or oil (optional). Stir, cover, remove from heat and let stand for 5 minutes. Fluff well with a fork and serve.
As a Cereal
Add 1 cup couscous to 2 cups hot milk and 2 tablespoons butter. Cover, let stand for 5 minutes. Serve with toppings such as honey, maple syrup, nuts and fruit.