This is a healthy twist on an apple and blackberry crumble recipe. It's made with muesli, oats and nuts for extra crunch. Preheat the oven to 200C/400F/Gas 6. Peel, core and chop the apples into ...

Equipment and preparation: for this recipe you will need a 20x25cm/8x10in ovenproof dish. Preheat the oven to 180C/350F/Gas 4. For the filling, put the apples, butter and sugar in a pan.