old fashioned brown mountain cake

Ingredients For old fashioned brown mountain cake

• 1 c

  butter
• 2 c

  sugar
• 3 lg

  eggs
• 3 c

  sifted flour
• 1 tsp

  baking soda
• 1/2 tsp

  salt
• 3 Tbsp

  cocoa
• 1 c

  buttermilk
• 1 tsp

  vanilla extract
• 1/2 c

  warm water
• CARAMEL FROSTING
• 1/2 c

  (1 stick) butter
• 2 Tbsp

  light corn syrup
• 1 c

  firmly packed dark brown sugar
• 1/3 c

  half and half or evaporated milk (more if necessary)
• 1/2 tsp

  caramel extract
• 1 tsp

  pure vanilla extract
• 1 lb

  box confectioners sugar
• 2 c

  finely chopped black walnuts for garnish (optional)