Beat egg yolks, egg whites, sugar, and brandy until thick. Add cream slowly, stirring well.
Sift flour and cardamom powder together;add about 1/2 cup at a time to egg mixture, mixing thoroughly after each addition. Wrap and chill overnight.
Heat lard to 365 to 370 F in a deep saucepan.
Roll dough, a small portion at a time, 1/16" thick on a floured surface.
Using a floured knife or pastry wheel, cut into diamond shapes, 5*2 " ; make a lengthwise slit in the center of each diamond. Pull the tip of one end through each slit and tuck back under itself.
Deep fry 1 to 2 minutes, or until golden brown, turning once.
Sprinkle cookies with confectioners' sugar. Store in airtight container.