Ingredients

• 6 cups vegetable broth
• 1 tablespoon vegetable oil
• ½ onion, chopped
• 2 stalks celery, chopped
• 1 ½ teaspoons Chinese 5-spice powder
• 4 sweet potatoes, chopped
• 2 apples - peeled, cored, and cubed
• 1 ½ teaspoons salt