1. Heat oil over medium heat.
2. Cook onion and garlic until soft, about 5 minutes.
3. Add curry powder and cinnamon. Stir to coat onions.
4. Stir in chopped sweet potato.
5. Add soy milk and chicken broth.
6. Bring to boil and reduce to simmer. Simmer about 30 minutes until thickened.
7. Add chickpeas and cook until warmed through.
8. Season with salt as needed.