Seeded Brioche Burger Buns

wheat flour 55.4% , water 24.8% , sugar 4.3% , golden flax seeds 5.0% , butter 1.8% , skimmed milk powder 1.8% , egg 1.8% , spirit vinegar 1.8% , yeast 1.6% , salt 0.2% , pea protein 0.2% , rapeseed oil 0.2% , Emulsifier 0.2% , soya flour 0.2% , palm fat 0.2% , Preservative 0.2% , flavouring 0.2% , dextrose 0.2% , maltodextrin 0.1% , corn starch 0.1% , Flour treatment agent 0.0% , Colour 0.0%