Ingredients
Makes 10 biscuits
- 85g unsalted butter, at room temperature
- 35g icing sugar
- 1tsp vanilla extract
- Pinch of salt
- Half an egg white of a large egg (17g)
- 95g plain flour
- For the topping:
- 35g dark chocolate
- A piping bag
Viennese cookies (click here for printable link)
