Chop veggies and drain and press tofu.
Heat oil in a small saucepan or skillet. Add chili powder, cacao, oregano, cinnamon, cumin and paprika and heat until bubbling and very fragrant, about 60 seconds. Remove from heat and set aside.
Combine all veggies, tofu, sweet potatoes, chickpeas, and spice paste in slow cooker. Add sugar, salt, chocolate and veggie stock.
Stir to mix well and cook on High for 5 hours. Adjust with additional salt to taste, if necessary.
Serve with rice and toppings of choice. Enjoy!