Vegetarian Stuffed Grape Leaves Recipe from An Edible Mosaic Cookbook

Name: Vegetarian Stuffed Grape Leaves Recipe from An Edible Mosaic Cookbook
Ingredients: 1½ cups (325 g) uncooked medium-grain white rice, rinsed; 3 tablespoons oil; 1 onion, finely diced; 2½ teaspoons salt, divided; 2 tomatoes, finely diced; 1 bunch fresh parsley, minced; 6 tablespoons (90 ml) fresh lemon juice, divided; 4 tablespoons olive oil, divided; 4 tablespoons dried, crushed mint; One (1 lb/500 g) jar of brined grape leaves, rinsed; 2 medium potatoes, peeled and sliced; Hot water, to cook the grape leaves; Plain yogurt (optional, for serving); 2 lemons, wedged (optional, for serving)