1 cup flour 2 teaspoons baking powder 1/4 cup sugar 1/4 teaspoon cinnamon 1/8 teaspoon salt 1 egg, beaten 1/2 cup milk 1 teaspoon lemon juice 1 cup peeled and diced apple cinnamon and sugar, for rolling (1/4 cup sugar, 1 teaspoon cinnamon combined) o