Preheat oven at 190 degree C.
Pour ghee in a large bowl.
Add sugar and cardamom powder.Beat until light and fluffy.
Now take a separate bowl, sift flour, baking powder,gram flour and baking soda.
Now fold into ghee mixture.
Stir in the roasted almonds and pistachios.
Now roll out the dough, cut into rounds with a cookie cutter.
Put nan khatai on a greased baking tray.
Brush them with egg yolks.
Place baking tray in the preheated oven for 12-15 minutes or until done.
Remove from the oven and let it cool completely. Lahori Nan Khatai is ready to serve.