- 80 g Unsalted butter
- 1 cup Icing sugar, sifted
- 1 tsp Water, warm
- 1 tsp Vanilla essence/extract
- 1 to spread Strawberry jam
- To make the vanilla filling, place the butter, icing sugar, water and vanilla in a bowl and whisk until smooth.
- Spread half the biscuits with the filling and jam. Sandwich with the remaining biscuits.