To the hot pan add ghee, sesame seeds (pic1) saute until it cracks up.
Now pour filtered jaggery (Pic 3) and cardamom powder.
Saute till jaggery water/moisture evaporates and become the stuffing mixture as shown in Pic 4.
Pinch small white dough, press it tight all over the inner sides of the mold as shown in Picture 1.
Now take a oval shape of coconut jaggery mixture, insert it in to the mould (Pic 2), do hold the lock all the time.
The sweet stuffing should be inserted well and need a little space at the bottom, that space is going to be filled with white layer again.
Take small white outer layer flat it and press it at the bottom as shown in Picture 3.
Press well so that it seals and merges with the previous layers, remove excess (Pic 4)
Now release the lock (Pic 4), gently lift it from the bottom and place it over a plate.
Grease the steamer plates with oil, arrange the shaped/stuffed modaks all over it (Pic 5).
In well boiled idli pan place the plates and steam cook for 3-5 minutes approx.
They look shiny and glossy when it well cooked (Pic 6).