Vegan Gingerbread Mug Cake

For the cake:

• 20 g brown sugar around 1+½ tablespoons, soft
• 1 Tablespoon golden syrup
• 2 Teaspoons oil or melted vegan butter
• 2 Tablespoons soy milk unsweetened
• 40 g self-raising flour (around 4 tablespoons)
• ½ Teaspoon ground ginger
• ¼ Teaspoon ground cinnamon (optional)

For the icing glaze (optional):

• 2 Tablespoons icing sugar
• 1 Teaspoon soy milk unsweetened