1 large onion, peeled and chopped
1/2 teaspoon cumin seeds
1 tablespoon ginger paste or minced ginger root
1 small chile pepper, such as jalapeño or serrano, seeded and minced
3 cloves garlic, minced
4 cups vegetable broth (or water plus bouillon cubes)
1 pound sweet potatoes (about 1 large), peeled and cut into 3/4-inch cubes
1 tablespoon mild curry powder, divided
1/8 teaspoon cinnamon
1 large head cauliflower, separated into bite-sized flowerets
1 15-ounce can chickpeas, rinsed and drained (or 1 1/2 cups cooked chickpeas)
1 15-ounce can diced tomatoes
2-4 cups water
1 teaspoon salt (or to taste)
1/4 tsp cayenne pepper (or to taste)
1 tablespoon natural peanut butter