Starry soetkoekies recipe

Ingredients

• 560 g cake flour
• 2 t cream of tartar
• 1 t bicarbonate of soda
• 1⁄2 t salt
• 1 t ground cinnamon (optional but nice)
• 250 g butter, at room temperature
• 2 free-range eggs
• 200 g sugar
• 2 T milk
• 1⁄2 t vanilla extract
• Edible gold or silver shimmer, to decorate
• For the icing, mix:
• 260 g icing sugar
• 80 ml lemon juice or milk (I prefer lemon juice)