6 oz. of Allinson fine wheatmeal, 2 oz. of butter, 2 oz. of Allinson chocolate (grated), 1 dessertspoonful of sugar, 1/2 oz. of ground rice, 4 eggs, well beaten, and 1 pint of milk. Mix the milk with the ground rice, add to it the chocolate smoothly and gradually; stir the mixture over the fire until it thickens, let cool a little and stir in the eggs; make the meal and butter into a paste with a little cold water; line a greased plate with it, and pour the cooled CUSTARD into it; bake the tart 1/2 hour in a moderate oven.
The Allinson Vegetarian Cookery Book, by Thomas R. Allinson (Year 1915)