Heat the oven to 170°C
Mix 2 tbsp of ground flax seeds with 5 tbsp of water and set aside for 5 minutes
Mix the apple cider vinegar and soya milk together to make vegan buttermilk
Line a loose bottom cake tin with baking paper
In a bowl, add in both bread flour and rye flour, all the seeds for the bread, baking powder and salt. Mix everything well, using a wooden spoon.
Add the vegan buttermilk, maple syrup, vegetable oil and flax seeds to the bowl. Using your wooden spoon mix everything until well combined.
Pour the batter into the loose bottom baking tin and spread evenly.
Bake for 1 hour at 170°C or until golden brown and fully baked. Leave to cool completely before slicing.