Gingerbread Spiced Dark Chocolate Brownies

Name: Gingerbread Spiced Dark Chocolate Brownies
Cuisine: American
Ingredients: 200g (7 oz) dark chocolate; 200g (¾ cup + 2 tbsp) butter; 45ml (3 tbs) hot coffee/milk (see note 1); 50ml (3 tbs) milk; 120g (½ cup + 1 tbsp) brown sugar; 130g (½ cup + 1 tbsp) white sugar; 1 teaspoon vanilla extract; 3 eggs; 80g (⅔ cup) flour (see note 2); 30g (¼ cup cocoa; 1½ tablespoons gingerbread spice (see below and note 3); 1 teaspoon gingerbread spice (see below and note 3); 40g (¼ cup) icing sugar; 2 tablespoons cinnamon; 1 tablespoon ginger; 1 tablespoon cardamom; 1 tablespoon ground cloves