Mix salt and sugar together.
Cream sugar, salt with butter until smooth.
Add vanilla seeds, egg and dates.
Stir in flour, just enough until combined.
Divide dough into three logs. Roll each log in the sesame seeds. Wrap in plastic.
Freeze for 30 minutes or longer.
Slice about 1/4 inch thick.
You may need to cover each with plastic and pat down to make even. (see video)
Bake for 25 minutes at 350 degrees, 180 C.
Bake rotating pan once halfway through until cookies are golden about 25 minutes.
Transfer cookies to wire rack to cool.