| 2 tablespoons extra-virgin olive oil | |
| 3/4 cup small-diced carrot (about 1 medium carrot) | |
| 3/4 cup small-diced celery (about 2 stalks) | |
| 3/4 cup small-diced yellow onion (about 3/4 medium onion) | |
| 2 garlic cloves, minced | |
| 1 teaspoon kosher salt, plus more to taste | |
| 1/2 teaspoon freshly ground black pepper | |
| 1/2 teaspoon paprika | |
| 1/4 teaspoon cayenne pepper (optional) | |
| 4 cups (32 ounces) low-sodium chicken broth | |
| 2 cups medium-sized cooked chicken (rotisserie or leftover) | |
| 1/4 cup freshly squeezed lemon juice (about 2 lemons) | |
| 1 bay leaf | |
| 1 cup Israeli or pearl couscous | |
| 1 teaspoon grated lemon zest | |
| 2 tablespoons chopped fresh parsley leaves | |
| 2 tablespoons chopped fresh oregano | |
| 2 tablespoons chopped fresh dill, plus more for serving |