Peel bottle gourd, wash and dry it with kitchen towel
Now grate it from bigger side of hand grater
Keep flame medium
Take grated bottle gourd in a big bowl
Add everything and mix it well
Make small balls and put in hot oil carefully
Now keep flame high and fry balls till golden brown
Let it cool
Before store in freezer keep it in a zip bag or pouch or in very good quality of plastic bag or pouch.
You can store for long time in freezer
Before making a dish you put required pieces in microwave for 30 seconds to 1minute.