Victoria Sponge Cupcakes

INGREDIENTS

1 cup

unsalted butter (room temperature)

1 1/2 cups

all-purpose flour

1 1/4 cups

superfine sugar*

1 tbsp

and 1 teaspoon baking powder

1/2 tsp

salt

large eggs (room temperature)

Raspberry Jam

8 tbsp

unsalted butter (room temperature)

1 1/2 cups

powdered sugar (sifted + extra for dusting)

1 tbsp

heavy cream

1/2 tsp

vanilla extract

salt