Inspired by the classic Mexican soup, this dish is a double whammy. Not only is it a good way to use of leftover chicken (although we often poach a chicken specifically to use in dishes like this), it's such a healthy dinner and so full of flavour. The black beans create a fantastic background note, as well as naturally thickening the soup, and the spices and lemon give it a great tang. Use a low sodium stock cube if using leftovers and this dish. Chicken, Black Bean and Kale Soup Delicious way to use up leftover chicken that's got just the right level of spice 2 tbsp olive oil4 cloves garlic (crushed and peeled)5 spring onions (roughly chopped)1 bunch coriander (stalks chopped,…