Heat oven to 350ºF.
Grease & flour two 9-inch round or 1 13 x 9-inch pan(s).
Cream together till fluffy, shortening, sugars & eggs.
Combine dry ingredients.
Add dry ingredients to egg mixture alternately with buttermilk; mix thoroughly.
Pour batter into prepared pan(s).
Bake at 350ºF for 35-40 min. for layers;
50-55 min. for oblong, or, till wooden pick inserted in center comes out clean.
Cool on wire rack.
Top with Broiled Brown Sugar Icing or Caramel Frosting.