Irish Mist Bars

Directions

1. 1
   in large mixing bowl combine butter, 1/2 cup brown sugar and flour; blend until crumbly.
2. 2
   firmly press crumb mixture into a 9 inch square baking pan.
3. 3
   bake at 350 for 10 minutes; set aside to cool.
4. 4
   in another bowl combine remaining sugar, 1 tbsp flour, and salt, blend well.
5. 5
   add eggs; 1 at a time beating well after each.
6. 6
   blend in liqueur.
7. 7
   mix in nuts.
8. 8
   spread evenly over cooled crust.
9. 9
   bake at 350 for 20 minutes.
10. 10
    cool in pan before cutting into bars.