cooking sauce stroganoff

water 52.3% , chestnut mushroom 23.9% , onion 11.9% , tomato purée 6.0% , double cream 3.0% , rapeseed oil 1.5% , brandy 0.7% , sugar 0.4% , corn starch 0.2% , modified corn starch 0.1% , whey protein 0.0% , conversate lemon juice 0.0% , salted butter 0.0% , garlic puree 0.0% , beef broth 0.0% , paprika 0.0% , sea salt 0.0% , parsley 0.0% , smoked paprika 0.0% , egg yolk powder 0.0% , cayenne pepper 0.0% , salt 0.0%