Whoopie Pie Cake

Recipe by Molly53
READY IN: 50mins


  • For the cake
  • 1
    cup margarine (if using margarine, not spread or tub product) or 1 cup butter (if using margarine, not spread or tub product)
  • 2
    cups sugar
  • 2 14
    cups flour
  • 1
    teaspoon baking soda
  • 1
    teaspoon salt
  • 8
    tablespoons cocoa
  • 1 14
    cups buttermilk (soured milk may be subbed, if necessary)
  • For the frosting
  • 3
    tablespoons flour
  • 1
    cup milk
  • 1
    cup sugar
  • 1
    teaspoon vanilla
  • 1
    cup butter (must be butter)


  • Preheat oven to 350F; grease and dust two 9-inch cake pans with cocoa.
  • Beat butter and sugar together until fluffy; add eggs and beat until smooth.
  • Sift dry ingredients together; add alternatively with buttermilk to the egg batter and beat for two minutes.
  • Pour equally into prepared cake pans.
  • Bake for 25 minutes or until cakes test done.
  • Let rest in cake pans for 10 minutes, then turn out onto cooling rack to complete cooling.
  • While the cake is cooling, make the frosting: Add milk to flour slowly, avoiding lumps.
  • Cook flour and milk until very thick, stirring constantly.
  • Cool completely.
  • Cream sugar, butter and vanilla until fluffy.
  • Add to cooked mixture.
  • Beat, high speed, until very fluffy.
  • Looks and tastes like whipped cream.
  • Place one layer on cake plate and liberally frost top.
  • Place second layer on top of first and frost top and sides.
  • Sift cocoa powder lightly over the top for garnish, if desired.