Mix all the dry ingredients and pulse them in the food processor. Now, you can pulse them just for a few seconds for more rustic effect, or for 1-2 minutes to get finely ground consistency.
Using an electric mixer beat the eggs with olive oil and sour cream. Add lemon juice and keep beating for 3-4 minutes.
Using a big spoon, start adding the dry ingredients and keep mixing. At the point when the dough gets too thick, work it with your hands. The dough needs to be thicker and sticky.
Grease your bread pan with some butter. (approximately 9x5 inches, 22x12 cm) Transfer the dough and tap it at the top.
Sprinkle with sesame seeds and flax seeds on top and create 4-5 diagonal cuts using a sharp thin knife.
Preheat the oven to 170ºC (338ºF) and bake the bread for 30 minutes. Then reduce the heat to 130ºC (266ºF) and bake for another 30 minutes. Leave it to cool down in the oven without opening it.
When the bread is cool, serve it with homemade cream cheese, Dakos salad or any other topping of your choice.