Ingredients: * 1/2 cup cold water * 7 scant tablespoons corn starch * 1 1/2 cups hot water * 1 1/4 cups sugar + 6 tablespoons sugar * 3 eggs (separate the whites and yolks) * 2 lemons, pressed for juice + grind 1 of the rinds down * 1 tablespoon butter * 1 pre-baked pie shell