Categories: Desserts 
      Yield: 1 servings 
  
      2 oz Unsweetened chocolate;2 sq 
    1/2 c  Butter;cut into pieces 
      2    Eggs, large 
      1 c  Sugar 
      1 ts Vanilla 
    1/2 c  Flour, all purpose 
      1 pn -Salt 
    1/4 c  Sour cream 
    2/3 c  Walnuts; chopped 
  
   Preheat the oven to 325F. Melt the chocolate with the butter in the top of 
  the double boiler over hot water until smooth. Cool slightly. 
   Beat the eggs with the sugar in a large bowl until light. Slowly beat in 
  the chocolate mixture. Stir in the vanilla. Sift in the flour, 2 Tbsp at a 
  time, mixing well after each addition. Stir in the salt, sour cream and 
  walnuts. 
    Pour the batter into a greased 9 inch square cake pan. Bake until a 
  toothpick inserted in the centre comes out fairly clean, about 25 to 30 
  minutes. The centre should be slightly cakey. Cool completely on a wire 
  rack before cutting into bars. 
  MAKES: ABOUT 20 BROWNIES