Lentil Soup With Peas and Ham

Name: Lentil Soup With Peas and Ham
Ingredients: 1 tablespoon extra-virgin olive oil; 3/4 cup diced ham (about 4 ounces); 1 medium onion, chopped; 3 tablespoons chopped fresh dill; 2 stalks celery, diced; 2 medium carrots, diced; 1 pound Yukon gold potatoes, diced (3 to 4 medium potatoes); Kosher salt and freshly ground pepper; 4 cups low-sodium chicken broth; 1 cup dried yellow or red lentils, picked over and rinsed; 1 cup fresh or frozen peas (thawed if frozen); 3 tablespoons plain yogurt