Heat vegetable broth and cumin for 1-2 minutes until they get fragrant. Add onions, garlic and ginger and cook until translucent. Add the spices and mix in.
Add tomatoes and cook until tomatoes get saucy. Mash the larger pieces. 4 to 5 minutes.
Add chickpeas, sweet potatoes, water, coconut milk and salt. Stir, cover and cook for 15-20 minutes.
Add in the spinach and lemon juice. Serve with brown rice.