Gluten Free Sandwich Bread - Twice Two

Ingredients

• 80g superfine brown rice flour
• 80g buckwheat flour
• 800g sorghum flour
• 80g potato starch
• 80g cornstarch (or white rice)
• 80g tapioca starch
• 6g salt
• 24g whole psyllium husk
• 7g active yeast (or instant, then skip the activation step)
• optional 50g seeds (like sesame, linseeds, sunflower …)
• 50g warm water
• 12g sugar
• 40g vegetable oil or melted butter
• 10g cider vinegar
• 450g very warm water
• 125g liquid egg whites or 2 large eggs