Ingredients 2 tablespoons olive oil 1 1/2 cups chopped yellow onion 1 1/3 cups thinly sliced carrot 1 cup thinly sliced celery 4 cups unsalted chicken stock (such as Swanson) 1 1/2 cups water 1 tablespoon white miso 1/2 teaspoon black pepper 1/4 teaspoon kosher salt 1 (9-oz.) pkg. whole-wheat 3-cheese tortellini (such as Buitoni) […]