Preheat your oven grill and put a kettle of water on to boil.
2 cups water
Peel and dice brown onion. Trim and finely slice green onions. Drain kidney beans.
¼ bunch green onion, 400 g red kidney beans, 1 brown onion
Place an oven-proof deep casserole dish on medium heat, add oil, onion, cinnamon, cumin, paprika, oregano, garlic powder, chilli powder (opt.), and salt and pepper (opt.). Cook, stirring for 2 mins, or until onion is translucent.
1 brown onion, 1 tablespoon olive oil, 1 teaspoon cinnamon, 2 teaspoon cumin, 2 teaspoon paprika, 1 teaspoon dried oregano, 1 teaspoon garlic powder, 1 teaspoon chilli powder, ½ teaspoon salt and pepper
Increase heat and add beef mince and cook, breaking up beef, until it has browned.
500 g beef mince
Add tomatoes, tomato paste, tomato sauce (a little squeeze gives it something extra), chicken stock and kidney beans, and stir through. Turn the heat down to low and simmer, lid off, while you do the next step.
400 g diced tomatoes, 1 tablespoon tomato paste, 1 tablespoon tomato sauce, ½ cup chicken stock, 400 g red kidney beans
Place a medium saucepan over low-medium heat. Add boiled water from the kettle, milk, cinnamon and polenta and cook, stirring, until the polenta thickens. Season with salt and pepper.
2 cups water, ½ cup milk, ½ teaspoon cinnamon, ¾ cup polenta, ¼ teaspoon salt and pepper
Turn the heat off the beans and the polenta. Add corn kernels to the polenta and mix through.
1 cup corn kernels
Spoon polenta corn mix over the chilli beans, then grate over parmesan cheese.
100 g parmesan
Place under the grill for 5-6 mins, then dish out portions and top with dollops of Greek yoghurt and green onions for garnish.
¼ cup Greek yoghurt, ¼ bunch green onion