Fluffy Icing - cooking recipe

Ingredients

1 box vanilla pudding (cook type)
1 c. milk
1/2 c. butter
1/2 c. shortening
1 c. sugar

Preparation

Mix pudding and milk together.
Cook until thick.
Cover and set aside to cool.
Cream butter, shortening and sugar together. Whip everything together.
Put onto cooled cake.