Combine flour, baking powder, salt and sugar in a bowl, cut in butter until mixture is crumbly. Add orange rinds and 1 1/4 cup pecans. Combine milk bourbon, and egg, stir well and add to dry mixture.
Stir batter until just moistened. Pour batter into a greased and floured loaf pan. Sprinkle remaining pecans. Bake at 350 degrees for 50 to 60 minutes or until done. Allow cooling completely, and then drizzling bread with 2 tablespoon bourbon.