Line and grease loaf tin, preheat oven to 170C
Add the butter, black treacle, golden syrup, dark brown sugar, stem-ginger syrup, water into a saucepan and place on a low heat until everything has melted
In a large mixing bowl add and mix the flour, xanthan gun, ground cinnamon and nutmeg
Pour the liquid mixture into the mixing bowl and beat with a wooden spoon until combined and smoothed
Add half the beaten egg and mix thoroughly, repeat with the remaining egg
Add the diced stem ginger and bicarbonate of soda and mix
Pour the mixture into the loaf tin and bake for 60 minutes, or until ready
When ready remove from oven, and cool in the tin before turning out onto a cooling rack
Notes:
Adapted from recipe by Becky Excell of
https://glutenfreecuppatea.co.uk/2017/09/15/gluten-free-jamaican-ginger-loaf-cake-recipe-dairy-free-low-fodmap/