Spicy Bean & Sweet Potato Chilli

Name: Spicy Bean & Sweet Potato Chilli
Prep time: 5 min
Cook time: 35 min
Total time: 40 min
Cuisine: Mexican
Ingredients: 2 medium sweet potatoes, peeled and chopped into 1 inch cubes; 1 tbsp olive oil; 1 onion, diced; 2 garlic cloves, minced; 1 red chili, finely chopped; 1/2 tsp cayenne pepper , (Optional - for extra heat); 1/2 tsp ground cinnamon; 1 tsp ground cumin; 1 400 g / 14 oz tin of kidney beans, drained and rinsed; 1 x 400 g / 14 oz tin of chopped tomatoes; 100 g / 3.5 ozkale, washed and chopped; Salt & pepper, to taste