Preheat oven to 400 F.
Mix together dry ingredients: cornmeal, flax, flour, baking soda, baking powder, sugar, and salt.
In a seperate bowl mix liquid ingredients: buttermilk, eggs, and oil.
Pour liquid ingredients into dry ingredients and stir until just combined (do not overmix!).
Spread batter in greased 9x9 inch pan.
Cook for 20-25 minutes or until inserted toothpick in center comes out clean.