1 onion, 1 even teaspoonful of curry, 1/2 pint of water, 1/2 oz. of butter, 1 teaspoonful of Allinson fine wheatmeal, a little burnt sugar. Grate the onion into the water, add curry, butter, and salt, and let these ingredients cook a few minutes. Thicken the Sauce with the meal, and colour with burnt sugar.
The Allinson Vegetarian Cookery Book, by Thomas R. Allinson (Year 1915)