Salmon En Croute with a creamy dill sauce

pink salmon 26.8% , wheat flour 16.5% , Margarine 16.5% , water 14.3% , Low Fat Quark Soft Cheese 6.0% , cream 3.2% , dill 0.6% , modified corn starch 0.3% , salt 0.3% , whey powder 0.3% , whole milk powder 0.3% , CREAM POWDER 0.3% , sugar 0.3% , rapeseed oil 0.3% , mustard 0.3% , dehydrated onion 0.3% , dried garlic 0.3% , natural lemon flavouring with other natural flavourings 0.3% , Thickener 0.3% , Flour treatment agent 12.5%