Step 1

Preheat the oven to 180°C.

Step 2

Cream butter and sugar together until light and fluffy. Then, add eggs, baking powder, vanilla and flour and mix well.

Step 3

Bake for 20 minutes or until cooked through and fluffy.

Step 4

To make buttercream, cream together icing sugar and butter and mix well.

Step 5

Once the cake has cooled, slice into two equal halves. Spread jam on the bottom and top with piped buttercream. Top with second cake half and a dusting of powdered sugar.