Marble fudge

3/4 c  Peanut butter, divided
    1/4 c  butter, softened
    1/4 c  corn syrup
    1/2 ts vanilla
      1 c  Icing sugar
    1/4 c  chocolate chips, melted
 
  In small mixer bowl, beat together 1/2 c peanut butter, butter, corn
  syrup and vanilla.  Stir in icing sugar until well blended.
  
  Melt chocolate chips in measuring cup in the microwave or in a small
  pot on the stove and stir in 1/4 c peanut butter.  Gently stir this
  mixture slightly back into the peanut butter for a marble effect.
  
  Pour into a small pie plate or pan and refrigerate until set.  Keep in
  refrigerator.  Cut into squares.
  
  Co-op Magazine April 1993 shared by Elizabeth Rodier
  
  PEANUT butter TRIVIA * Canadians eat a total of 80,849 kg of peanut
  butter a day (about 177,868 pounds or almost 89 tons) * Smooth peanut
  butter outsells crunchy by 3 to 1 * Children and men prefer smooth
  peanut butter; women prefer crunchy * Most peanut butter is eaten at
  breakfast * One acre of land grows enough peanuts to make 30,000
  peanut butter sandwiches