Preheat oven 350º
Mix shortening, icing sugar, eggs, salt and vanilla for 2 minutes at medium speed.
Blend in melted chocolate during last minute of mixing.
Reserve 2 cups for frosting.
Sift together flour, sugar, baking soda.
Add to remaining creamed mixture with buttermilk.
Beat for an additional 2 minutes
Pour into 2, 8" greased pans and bake 30 minutes or until done.