At first I thought my great-grandmother might have had a friend named Shirley, but when I googled it I realized this is a thing. It seems like it might taste a bit like barbeque sauce.
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Shirley Sauce 24 large ripe tomatoes 6 " green peppers 6 " onions chop fine and add 5 cups of vinegar not too strong 2 cups of brown sugar 2 tablespoons of salt do not cook but an hour or two so that it is not quite as thick as catsup. Cup Cake 1 1/2 cup sugar 2 tablespoons butter 2 eggs 1 1/4 milk 2 heaping teaspoons baking powder flour to stiffen