shortening for greasing
1 c. self-rising flour
14 Tbsp. butter, softened
1 c. caster sugar
4 eggs
2 Tbsp. milk
Filling:
1/2 c. + 2 Tbsp. heavy cream
1/4 c. caster sugar
1/2 tsp. vanilla
1/2 c. raspberry or strawberry preserves
icing sugar
Grease and line two 20 cm round cake tins with parchment paper. Grease the paper too.
Divide the batter between the tins.
Bake 20-25 minutes until the center is cooked through.
Cool 5-10 minutes in the tins before removing to a cooling rack. The cake needs to cool completely.
Dust with icing sugar.
Here's a link to the recipe I used: http://www.bbcgoodfood.com/recipes/6603/classic-sponge-sandwich