1Melt the butter and allow the chopped mushrooms to brown, then add the veal stock and then the cream. Bring the mixture to a boil. Mix flour and white wine and stir into the boiling liquid with a whisk. Allow to simmer for a few minutes and then season with salt and pepper and lemon juice. Pass the sauce through a fine strainer or puree in a blender and strain. Pour the sauce into a 1 Pint iSi Gourmet Whip or iSi Thermo Whip, screw in one iSi cream charger and shake vigorously. Keep the filled Gourmet Whip warm in a water bath at temperatures of up to
75 °C / 165 °F. The iSi Thermo Whip is thermal and will keep warm for up to 3 hours (DO NOT place in a warm water bath.)
Serve with any type of veal.