1 c. sugar
Mix sugar and salt with softened butter. Add eggs and blend well. Make a smooth paste of the flour and a little of the water. add to sugar mixture with vinegar and remaining water. Pour filling into the unbaked pie crust and sprinkle lightly with cinnamon. Bake at 425 degrees until edge of crust is golden brown, then reduce heat to 350 degrees. Bake until silver knife blade inserted in filling comes out clean. Makes 6 servings.