1 c. sugar
1 1/2 c. flour
3 tbsp. cocoa
1 tsp. baking soda
1/2 tsp. salt

Mix all of the above together. Pour into square baking pan. Make 3 holes in dry ingredients.

Mix together: 1 tbsp. vinegar 1 tsp. vanilla 1 c. water

Pour into holes. Stir well. Bake at 350 degrees for 30 minutes on second shelf.