Harvest Minestrone with Potato Dill Dumplings

Name: Harvest Minestrone with Potato Dill Dumplings
Ingredients: 1 medium onion, diced; 1 stalk celery, diced; 2 cloves garlic, minced; 6 cups vegetable stock; 1 large carrot, diced; 1⁄2 cup green beans, cut into 1/2 inch pieces; 1⁄2 cup corn kernel; 2 large tomatoes, peeled seeded and chopped; 1 yellow squash, chopped; 1 small zucchini, chopped; 1⁄2 cup cooked kidney bean; 2 large russet potatoes, peeled,boiled and hot- 2 cups worth; 1⁄2 cup flour; 1 teaspoon baking powder; 1⁄2 teaspoon salt; 2 tablespoons fresh dill, chopped; 2 egg whites