Whole Wheat Couscous with Parmesan Peas

Name: Whole-Wheat Couscous with Parmesan & Peas
Ingredients: 1 14-ounce can reduced-sodium chicken broth, or vegetable broth; ¼ cup water; 2 teaspoons extra-virgin olive oil; 1 cup whole-wheat couscous; 1 ½ cups frozen peas; 2 tablespoons chopped fresh dill; 1 teaspoon freshly grated lemon zest; Salt & freshly ground pepper, to taste; ½ cup freshly grated Parmesan cheese