Instructions

1. 1
   Grind the nuts and dates; sift in the granular sugar.
2. 2
   In another bowl, whip egg whites until stiff.
3. 3
   Gradually add the sugar mixture, whipping constantly. Fold in the cream.
4. 4
   Sift the flour, then re-sift the flour with the baking powder. Fold into the egg mixture.
5. 5
   Grease and flour a baking sheet.
6. 6
   Pat dough ½-inch thick on the baking sheet, and bake for 10 minutes at 350°F (175°C).
7. 7
   Mix confectioner's sugar with lemon juice and vanilla in a blender.
8. 8
   When the cookies are still hot, spread the glaze over them.