1. Mix flour, baking soda, salt, cinnamon and ginger.
2. Mix well and add oil, sugar, egg, molasses and water. Beat until smooth. Pour into greased pan 1/8 inch thick.
3. Bake at 350° for 35-40 minutes. Immediately after baking you must cut pieces for ginger bread house.
Royal Icing
1. Beat egg white and cream of tartar until frothy. Gradually beat in icing sugar.
2. Continue beating until stiff, 5-7 minutes. Keep bowl covered with a damp cloth at all times to prevent drying. Use a decorating bag or small spatula to apply icing.