Ingredients

  • 1 cup boiling water
  • 2 unsweetened chocolate squares, cut up
  • 2 cups sifted all-purpose flour
  • 1 teaspoon baking soda
  • 14 teaspoon salt
  • 12 cup butter
  • 1 34 cups light brown sugar, firmly packed
  • 2 eggs
  • 1 teaspoon vanilla extract
  • 12 cup sour cream

Method

  • In small bowl, pour boiling water over chocolate; let stand 20 minutes to cool.
  • Meanwhile, preheat oven to 325 degrees.
  • Grease well and flour 9x5x3-inch loaf pan.
  • Sift flour with soda and salt.
  • In large bowl of electric mixer, let butter stand at room temperature until softened.
  • At high speed, beat butter, brown sugar, eggs, and vanilla until light and fluffy.
  • At low speed, beat in flour mixture, in fourths alternately with sour cream, in thirds, beginning and ending with flour mixture.
  • Beat in cooled chocolate mixture just until combined.
  • Pour into prepared pan.
  • Make 60 to 70 minutes, until cake tester comes out clean.
  • Cool in pan on wire rack 15 minutes.
  • Transfer from pan to rack; cool completely.