Classic Belgian Biscuits - Bake with Amy

Ingredients

• 125 g unsalted butter, at room temperature
• 150 g soft brown sugar (3/4 cup)
• 1 egg, at room temperature
• 1 tsp mixed spiced
• 1 tsp cinnamon
• 190 g plain flour (1 1/4cups)
• 1 ½ tsp baking powder
• 62 1/2 g raspberry jam (1/2 cup)
• 50 g white sugar (1/4 cup)
• a drop of red/pink food colouring
• 98 g icing sugar (3/4 cup)
• 1 tbsp milk
• ½ tsp vanilla extract
• pinch of salt
• red/pink food colouring (optional)