INGREDIENTS
knob of butter, melted
1 cup
butter, softened
1 cup
sugar
4
large free-range eggs
2 tsp
vanilla extract
1 cup
all-purpose flour, sifted (you may need a bit extra)
1 1/2 tsp
baking powder
1/2 tsp
salt
For the filling:
strawberry jam
1 cup
heavy whipping cream, lightly whipped
To serve:
powdered sugar, for dusting