Chocolate Gingerbread Cookies (Metric)

Cookie Dough

• 70 g brown sugar
• 115 g butter, unsalted, diced, room temperature
• 1 egg, large
• 170 g maple syrup
• 170 g molasses
• 2 tsp ginger, dried, ground
• 2 tsp cinnamon, ground
• ⅛ tsp cloves, ground
• 1 pinch black pepper, ground (可选的)
• 450 g all purpose white flour
• 60 g cocoa powder
• ½ tsp salt
• ¼ tsp baking powder
• ⅛ tsp baking soda

Royal Icing

• 200 g icing sugar
• 1 egg white, from large egg
• 1 tsp water