Combine first five ingredients in a mixing bowl. Add egg, oil, and buttermilk and stir until just blended. Stir in cheeses and herbs until just blended, and pour into greased bread pan (8- half x 4- half x 2- half inches).
Bake 45 minutes at 180ÂșC . Cool in pan 5 minutes, then turn onto cooling rack. Serve warm.