2Combine flour, baking powder, salt, and sugar. Beat eggs with buttermilk. Add the eggs and buttermilk into the flour mixture; stir in raisins.
3Pour dough onto lightly floured board. Shape into a round loaf, adding flour if necessary. Place in a lightly greased springform pan. Sprinkle top with caraway seeds if desired.
4Bake at 350 degrees F (175 degrees C) for 1 hour or until the bottom of the loaf sounds hollow when tapped.