Original Receipt in the 15th Century 'Austin Manuscripts' (Austin 1440)Oystrys in grauy bastard. Take grete Oystrys, an schale them; an take the water of the Oystrys, & ale, an bread y-straynid, an the water also, an put it on a pot, an ginger, sugar, Saffron, powder pepper, and Salt, an let it boil well; then put yn the Oystrys thereto, and dresse it forth.