I got this recipe from a Better Homes and Gardens Cookbook in about 1973.
List of Ingredients
2 c. flour
2 c. sugar
1 tsp. baking soda
1 tsp. salt
1/2 tsp. baking powder
3/4 c. wter
3/4 c. buttermilk
1/2 c. shortening
2 eggs
4 oz. unsweetened chocolate
1 tsp. cloves
Instructions
Mix all ingredients. Pour into greased and floured pans (either 9x13" oblong or 8-9" round). Bake at 350^ for 40-45 minutes (9x13") or 30-35 minutes (round).
EMERGENCY SUBSTITUTIONS:
Buttermilk: 1 Tbsp. lemon juice or vinegar plus milk to make 1 cup.
1 oz. square chocolate: 3 Tbsp. cocoa plus 1 Tbsp. butter or margarine.