1Combine flour, salt, baking soda, baking powder, cinnamon, ginger and allspice in mixing bowl; set aside .
Combine shortening and boiling water in large bowl; blend in brown sugar, molasses and egg.
Add dry ingredients gradually ; mix till thoroughly combined.
Pour batter into greased 8 or 9 inch square pan. Bake at 350* for 30 to 40 minutes or until wooden toothpick inserted in center comes out clean.
Serve with whipped cream.