Auntie van's christmas cookies

2 c  Granulated sugar
      1 c  butter, softened
      2    Eggs
      1 t  vanilla
      5 c  All-purpose flour
      1 t  Baking soda
      1 c  Sour cream

------------------------------COFFEE FrostiNG------------------------------
      1 T  Instant coffee granules
      1 T  Hot water
      6 T  butter, softened
      1 t  vanilla
      3 c  Sifted powdered sugar
    1/3 c  Whipping cream
 
  Beat granulated sugar and 1 cup butter in large bowl until light and
  fluffy. Blend in eggs and 1 teaspoon vanilla. Combine flour and baking
  soda; add alternately with sour cream, mixing well after each addition.
  Refrigerate 6 hours or overnight. Divide dough into 4 pieces. Roll out 1
  piece on lightly floured surface to 1/8" thickness (keep remaining dough
  refrigerated). Cut into desired shapes; place on ungreased cookie sheets.
  Bake at 375 for 10-12 minutes or until bottoms are golden brown. Repeat
  with remaining dough. Cool completely. Frost with Coffee Frosting.
  
  Makes 6 dozen cookies.
  
  COFFEE FrostiNG: Dissolve coffee granules in water. Beat 6 tablespoons
  butter in medium bowl until soft. Stir in coffee mixture and 1 teaspoon
  vanilla. Add powdered sugar; mix until well combined. Gradually add cream
  until good spreading consistency.