1/4 lb. of mushrooms, 1/2 teacupful of mashed POTATOES, 1 teacupful of breadcrumbs, 1 small onion, 2 eggs, 2 oz. of butter, a little milk, 1 teaspoonful of finely chopped parsley, 1/2 teaspoonful of herbs. Peel and cut up the mushrooms, chop up the onion, and fry them in 1 oz. of butter. Mix the mushrooms and onion with the breadcrumbs, 1 egg well beaten, add also pepper and salt to taste; if necessary add a little milk to make it into a paste; shape the mixture into cutlets, dip them in the other egg well beaten, and fry them in the rest of the butter. Serve with tomato Sauce.
The Allinson Vegetarian Cookery Book, by Thomas R. Allinson (Year 1915)