Buttermilk Cake

This is a cake my friend Alice June brought after mom passed away:

3 Cups Flour
2 Cups Sugar
1/3-1/2 Cup Cocoa
1 tsp salt
Mix Together
Add:
2 Eggs
1 Cup Buttermilk
1 Cup Oil (or 1/3 cup applesauce and the rest oil)
Mix Together
Then:
Sprinkle 1 tsp soda on top
Pour 1 Cup Boiling Water
1 tsp Vanilla
Mix together.
Bake 350 degrees
Can be cooked in a:
Bunt Pan about 40 minutes
9x13 Pan about 35 minutes
or a Sheet Cake about 25 minutes
Just watch to make sure!