For cookies, mix butter, whipping cream, and flour. Chill thoroughly.
Roll out 1/5 of dough at a time. Keep the rest of the dough refrigerated. Roll dough to 1/3" thick on sugared surface with 1-1/2" round cookie cutter. Prick with a fork 4 times. Bake 7-9 min at 350°.
Combine filling ingredients and assemble cookies.
You must work fast when rolling out dough!