Oyster Sauce

2 doz. oysters
3 ozs. butter
1 tea-spoon flour
¹⁄₂ pint cream
1 coffee-spoon lemon juice

Prepare the oysters and stew them in their own juice and the butter until plump and tender. Mix the flour with the cream, until perfectly smooth. Bring to the boil and let it boil two or three minutes. Add it to the oysters, etc. Stir quickly together. Season with salt, a little cayenne and the lemon juice.