Whoopie Pies - cooking recipe

Ingredients

1 c. shortening
2 c. sugar
1 c. hot water
4 c. flour
1 c. cocoa
1/2 tsp. salt
1 tsp. baking powder
2 tsp. baking soda
4 eggs (save 2 egg whites for filling)
1 c. sour milk (to sour fresh milk, add 3 Tbsp. vinegar and stir until thick)

Preparation

Put ingredients in order in large bowl.
Mix all together. Drop even teaspoonfuls on greased cookie sheet.
Need 2 halves to each cookie.