chocolate cake

1/2c butter                                                          
2 1/4c brown sugar                                          
3 eggs                                                             
1 1/2t vanilla                                                   
3oz melted chocolate                                       
2t baking soda
1/2t salt
2 1/4c cake flour
1c sour cream
1c boiling water or hot coffee

350 30 min  
grease and flour pans. cream butter add brown sugar and eggs beat till light and fluffy beat in vanilla and chocolate then baking soda and salt. add flour atl with sour cream in threes the pour in water until blended