Grind the flaxseed and mix with the other dry ingredients in a mixing bowl. Now gradually add water and stir well with the mixer (dough hook). After the mass has become a firm dough, knead vigorously with your hands again and form a loaf of bread.
A warm place. I put the bread in the slightly heated (approx. 75 ° C) oven. Let rise for 1 hour. Then set the oven to 160 ° C (convection) and bake for one hour without preheating. The bread becomes fluffy and keeps for a long time.
I get the wheat gluten from the baker, who orders it for me with his regular order (12.5 kg for about 24 €). Just ask the baker on the corner.