The best Christmas shortbread | Opinel.com

Ingredients

• 150g flour
• 62 g ground almonds
• 62 g warm butter
• 62g icing sugar
• 1 pinch of salt
• 1 egg
• 1 sachet of vanilla sugar
• 1 organic orange
• 1 cinnamon stick or ground cinnamon
• 200g icing sugar
• 1 egg white
• 1/2 lemon, squeezed (only slightly)