In a separate bowl, beat egg whites until firm/stiff
In a separate bowl, beat yolks until fluffy
Fold both along with flour mixture, spoon mixture into piping bag
Preheat over to 350 F
Pipe batter onto parchment paper lined tray
Bake for 8-10 mins, take out, leave on tray to cool for 10 minutes
Rebake biscuits on 250 F for 20 minutes