1. Boil milk in a heavy-bottomed pan on low flame; simmer till it becomes 1/2 litre.
2. Keep mixing; now add sugar and mix for 5 min.
3. Add milk powder and mix well for 5 min.
4. Take off pan from the stove; add pista concentrate and chopped pista; give it a mix.
5. Allow to cool.
6. Pour out kulfi mixture in to small matkas (mud pots); cover with silver foil and refrigerate for 2 hours at least.
7. Tasty kulfi is ready; serve with matkas directly.

Image: Flickr/creativecommons danchitnis