Ruth's Chocolate Cake

2 c. sugar
1/2 c. shortening
3 c. flour
1/2 tsp. salt
2 eggs
1 tsp. vanilla
1 c. sour milk
1 c. boiling water
1 tsp. soda
4 T. cocoa

Cream together sugar and shortening. Add eggs and mix. Add dry ingredients alternating with sour milk. Add boiling water with soda dissolved in it. Bake at 325 degrees for 30-35 minutes.