Preheat oven to 325 degrees F.
Mince the raisins. Beat together the eggs, vanilla extract, buttermilk and oil.
Sift the flour and add the cinnamon, nutmeg and baking powder. Mix well and add the liquid mixture to make a soft dough. Stir well in the minced raisins.
Pour into a greased pan and bake for 35 to 45 minutes or till brown. Allow to cool before serving.