Preheat oven to 140C (fan forced) and line a loaf tin with silicone paper
In a bowl combine the linseed meal, buckwheat flour, almond meal/flour, coconut, rapadura sugar, cinnamon, baking powder, bicarb soda and give a quick stir to combine.
Then add the chopped dates, hazelnuts and stir to incorporate.
In a separate bowl combine the eggs, oil and coconut quench or coconut milk. Whisk until full emulsified together.
Add the wet ingredients and the sweet potato mash into the dry and stir until just but fully combined.
Spoon into the lined loaf tin, place on the middle rack of oven and bake for 1 1/2 until skewer comes out clean.
Keep wrapped in an air tight container for 1 week or slice wrap and freeze.