Barfi (nut based dessert)

1 c  Almond, ground
      1 c  Cashews, unsalted & ground
      1 c  Sugar
     13 oz Evaporated milk
    1/2    Stick of butter
 
  Melt 1/2 stick of butter in a heavy skillet.  Add milk.  Stirring
  constantly, bring to a boil.
  
  Low heat and cook until milk thickens.  Add nuts and sugar.  Stir.  Cook
  for 10 mins.  Turn off heat.
  
  Pour mixture on to a flat dish and spread evenly with the back of a spoon.
  Cool.  Cut into small squares.