Preheat oven to 375F, line a parchment paper on baking tray,

Add apple cider vinegar, olive oil and stir in hot water, combine for 1 minute until water is absorbed, add 2 tbsp psyllium husk, ball will be hold together. Set aside for 5-10 minutes.

With a pastry brush, brush top of each ball with a bit of tap water, sprinkle with sesame seeds. Bake 40-45 minutes. cook at the bottom of the oven for 30 mints. Then put the rack middle of the oven to continue to cook 10-15 more minutes.you want crusty bread ? Turn on the grill mode for extra 5 minutes. But watch not to burn them.!!