1 Hershey's Milk Chocolate Bar (8 oz.), broken into pieces
1/4 C. butter
1 2/3 C. boiling water
2 1/3 C. flour
2 C. light brown sugar
2 tsp. baking soda
1 tsp. salt
2 eggs
1/2 C. sour cream
1 tsp. vanilla
Combine chocolate bar pieces, butter and boiling water in medium bowl. Stir till chocolate is melted. Combine flour, brown sugar, baking soda, and salt in a large mixer bowl. Gradually add chocolate mixture, beating till thoroughy blended. Blend in eggs, sour cream, and vanilla. Beat 1 minute on medium speed. Pour into a greased and floured 13 x 9 inch pan. Bake at 350' for 35-40 minutes or till cake tests done. Cool completely and frost as desired.
