For aloo filling Take a pan and heat 2 tsp oil and splutter mustard seeds
Add a pinch of hing and few curry leaves.
Also add garlic, chilli, coriander and saute well.
Mow add turmeric powder and stir
add boiled and mashed potato and salt too.
Mix well making sure all the spices are combined well with potato.
Turn off the flame and let the mix cool