1 medium onion, finely chopped
2 tablespoons extra-virgin olive oil
1 garlic clove, minced
3/4 cup water
1-1/4 cups low-sodium chicken broth or vegetable broth
1 (10-oz) box couscous (1 1/2 cups)
½ cup golden raisins
1/2 cup finely chopped fresh parsley
Zest from 1 lemon
1 tablespoon fresh lemon juice, or to taste
Cook onion in 1 tablespoon oil in a 2- to 3-quart heavy saucepan over moderate heat, stirring occasionally, until golden, about 3 minutes. Add garlic and cook, stirring, 30 seconds. Add water and broth and bring to a boil.
Stir in couscous and raisins, then cover and remove from heat. Let couscous stand, covered, 5 minutes, then fluff with a fork and stir in parsley, lemon zest and lemon juice. Add remaining tablespoon oil, and salt and pepper to taste.