Roast chicken with apple spelt

Name: Roast chicken with apple spelt
Ingredients: 1 tbsp rapeseed oil or olive oil; 1 onion, finely chopped; 1 garlic clove, finely chopped; 300g/10½oz pearled spelt or pearl barley, rinsed; 600ml/20fl oz hot chicken stock (alternatively use vegetable/game stock or hot water); 25g/1oz dried apples, roughly chopped; 1 lemon, zest of whole lemon and juice of half; sea salt and freshly ground black pepper; 1 medium-large chicken (1.75-2kg/4-4.6oz), preferably free-range; 1-2 tbsp rapeseed oil; 2 bay leaves; 4 sprigs of thyme; 200g/7oz kale, stemmed and chopped; knob of butter; 2 leeks, roughly chopped