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