This is what I made yesturday with my 8 yr old nephew. They are not the prettiest whoopie pies you ever saw, but overall he did a great job with them! I put a photo of his creation over on on blog.
Pumpkin Whoopie Pies
3 c. pumpkin
3 c. sugar
1 1/2 c. shortening
3 eggs
5 1/2 c. flour
3 tsp. baking powder
3 tsp. cinnamon
3 tsp. vanilla
3 tsp. baking soda
1 tsp. salt
Cream pumpkin, sugar, shortening and eggs together in a large bowl. Gradually add dry ingredients. Drop them from a tablespoon onto a greased cookie sheet. Bake at 350 degrees for 12-15 minutes.
Filling:
2 egg whites, beaten
1 tsp. vanilla
2 c. confectioners sugar
1 1/2 c. shortening
In a medium sized bowl beat egg whites, vanilla, confectioners sugar well. Then add in the shortening and beat again until smooth. Spread filling between 2 pumpkin cookie halves.