CLICK & COLLECT › Sourdough Image 1 of 1 Sourdough £5.95 Ingredients: psyllium husk, rice flour, buckwheat flour, potato starch, salt, sugar, cider vinegar, dry yeast Quantity: Add To Cart Added! Ingredients: psyllium husk, rice flour, buckwheat flour, potato starch, salt, sugar, cider vinegar, dry yeast