In a dry bowl, mix flour and baking soda, set aside

Now, cream butter, water and sugar till fluffy

Add egg yolk, one at a time

Mix well and add flour bit by bit

Add oats same as Flour before you add the last batch of oats, add flaxseed meal

Mix till smooth

Preheat oven, now wet hands, scoop a tbsp of dough into hands, make a ball

Place on a baking tray

Repeat process till all dough is in a ball shape

Now immerse fork in water and press each ball vertically or horizontally

Bake till brown and crispy