Vegan chocolate cake with icing

Made for my vegan granddaughter's birthday. I made this as a larger rectangle cake so it was shallower and needed a bit less time in the oven.

Ingredients - cake >  1 1/2 cups white flour >  1 cup white sugar >  1/4 cup cocoa powder >  1 tsp baking soda >  1/2 tsp salt >  1/3 cup vegetable oil >  1 tsp vanilla extract >  1 tsp balsamic vinegar >  1/2 cup water >  1/2 cup soy milk Ingredients - icing >  1 cup sugar >  6 Tbsp cornflour >  4 Tbsp cocoa >  1/2 tsp salt >  1 cup water (or mix with vegan cream or milk) >  2 Tbsp oil >  1/2 tsp vanilla essence

Steps 1.Heat oven to 170 deg. C and lightly grease a 9"x5" loaf pan 2. Put a sieve over a large bowl and put in all the dry ingredients. 3. Shake the sieve until all the ingredients are in the bowl. 4. Add the wet ingredients and mix together until smooth 5. Pour into the prepared pan and bake for ~40-45 minutes. 6. Remove the cake from the oven and let cool. Icing 7. In a medium size saucepan, mix together the sugar, cornflour, salt and cocoa 8. Whisk in the water.  9. Heat over a medium heat, stirring all the time, until it is thick and starts to boil. Boil for one minute only. 10. Remove from heat and stir in the oil and vanilla. 11. Cool and only then spread it on the cooled cake. 12.Decorate with hundreds and thousands, etc.