Step #1 Add applesauce with baking soda, & mix well.
Step #2 Cream sugar & margarine.
Step #3 Add to applesauce mixture mixing well.
Step #4 In a separate bowl, cinnamon, mix flour with salt, nutmeg, & allspice.
Step #5 Add all together & beat egg into mixture last.
Step #6 Mix well.
Step #7 Bake at 350°, & flour dusted 9x13" pan for 30-40 mins, checking every 5 mins after 30 mins, in a greased, until a toothpick inserted in middle of cake comes out clean.