In a large mixing bowl, cream butter and sugar.
Add eggs, one at a time, beating after each addition.
Add extracts.
Combine the flour, salt, baking powder and baking soda; add to creamed mixture alternately with buttermilk, beating well after each addition.
Pour half of the batter into a greased and floured 10-in. fluted tube pan.
Sprinkle with marshmallows.
Top with remaining batter.
Bake at 350 degrees F for 55-60 minutes or until a toothpick inserted near the center comes out clean.· 60m
Cool for 10 minutes before removing from pan to a wire rack to cool completely.· 10m
Dust with confectioners' sugar.