Beat the eggs for 2-3 minutes and then add salt, citric acid and baking soda.
Add melted butter and sour cream. Keep beating.
Add all the dry ingredients spoon by spoon. (Psyllium, golden flaxseed meal and sunflower seed flour)
In the end, add 50 ml sparkling mineral water and beat until it unifies. The dough needs to be thick.
Grease the 11" long metallic bread pan with some coconut oil and sprinkle some sunflower seed flour on it.
Place the dough in the pan and even it with a spatula. Sprinkle with golden flaxseed and sesame seeds.
Bake in the oven at 200ºC (400ºF) for 60 minutes. Then reduce the heat to 100ºC (200ºF) and bake for additional 20-30 minutes.
Let the bread cool down and then cut slices. You can toast the bread additionally in the oven or in the toaster. This amount makes 20 to 25 slices.