chop the dates and cashews and add to a food processor with the sunflower seeds to pulse until well combined.
Melt the buttons in a bowl over a saucepan of boiling water until liquid in form.
Mix these together, keeping ⅓ of the chocolate to one side for the topping.
Cover a roasting tin with greaseproof baking paper and spoon in the main mixture. Spread over the tray until about 1 cm thick. Put in fridge to cool for 30 minutes.
Ensure the remaining Cacao is still liquid, add the maple syrup and stir through then spoon and smooth this over the top of the base.
Crumble over the walnuts and then set in the freezer for 2 hours.
Enjoy your healthy good for you chocolate bar!
TIP – package these in between layers of baking paper in the freezer then you will have a stash of chocolate whenever you need a sweet treat!