115g soft butter
110g margarine
225g caster sugar
4 large eggs
225g self raising flour
2 level tsp baking powder
Filling
Jam
250g icing sugar
80g soft butter
25ml milk
3 drops of vanilla extract
Topping
10 heaped tbl sp icing sugar
Water
Sprinkles
Two 20cm /8inch sandwich tins.
Preheat the oven to gas four. Grease the tins and line the base with baking paper.
Beat together the butter and icing sugar. The longer it's beaten, the lighter and fluffier it will be.