Slice chicken breast at an angle along the grain
Coat chicken breast slices with salt, pepper and chili pepper flakes
Cut potatoes and Jerusalem artichoke into thin slices or use a mandoline slicer (with caution!!)
Arrange potato and Jerusalem artichoke slices at the bottom of a round pie dish, drizzle with a little olive oil
Arrange chicken breast slices on top. Steam bake at 400F for 20 mins or until chicken are just done
Combine guacamole ingredients, season to taste and serve over open face taco bake!