Green Goddess Salad with Chickpeas

Name: Green Goddess Salad with Chickpeas
Cook time: 15 min
Total time: 15 min
Cuisine: American
Ingredients: 1 avocado, peeled and pitted; 1.5 cups buttermilk; 2 tablespoons lemon juice (from 1 large lemon); 2 tablespoons chopped fresh flat-leaf parsley; 1 tablespoon chopped fresh chives; 1 tablespoon chopped fresh tarragon; 0.5 teaspoon salt; ¼ teaspoon ground pepper; 1 medium garlic clove, chopped (1 teaspoon); 3 cups chopped romaine lettuce; 1 cup sliced cucumber; 6 cherry tomatoes, halved if desired; 1 (15 ounce) can chickpeas, rinsed; 0.25 cup diced low-fat Swiss cheese