S'mores donuts with marshmallow filling, chocolaty frosting & crushed graham crackers on top

wheat flour 51.8% , water 24.1% , sugar 6.0% , vegetable fat 6.0% , vegetable oil 6.0% , Raising agent 3.1% , salt 0.4% , soya flour 0.4% , cocoa powder 0.4% , modified corn starch 0.4% , whey 0.4% , Emulsifier 0.4% , wheat gluten 0.3% , Preservative 0.1% , skimmed milk powder 0.1% , E171 0.0% , corn starch 0.0% , natural and artificial flavouring 0.0% , egg 0.0% , graham flour 0.0% , E575 0.0% , E160ai 0.0% , soya lecithin 0.0% , enzyme 0.0% , E422 0.0% , E222 0.0% , E150a 0.0% , E503ii 0.0%