Preheat oven to 425 degrees.
Stir dry ingredients together until well mixed.
Combine oil with buttermilk; add to flour mixture. Mix well.
Turn batter onto a floured board and knead until dough is smooth. Shape into a flat round loaf on a non-stick baking tin sprayed with cooking spray.
Bake in a preheated 425�F oven 40 to 45 minutes. Cool on a rack 15 minutes before slicing.