2 c  Sifted cake flour
1 1/2 c  Sugar
2 ts Baking soda
1/2 ts Cream of tartar
1/2 ts Salt
1 c  Shortening
1 1/2 c  Buttermilk
3    Eggs
1 1/2 ts Vanilla
4 oz Unsweetened Chocolate, melte

Sift cake flour, sugar, soda, cream of tartar and salt
into large mixer bowl. Add shortening, half the
buttermilk, eggs and vanilla. Beat on medium speed for
2 minutes. Mix in remaining buttermilk and melted
chocolate. Beat additional 2 minutes. Spread into
9×13″ greased cake pan. Bake at 350~ for 40-50
minutes. Cool in pan.