Heat a kadai and add 2 tablespoon oil.
Add jeera and after it flutters add garlic paste. Fry till nice aroma gets emitted from garlic.
Now add onion and fry till onion turns pinkish.
Add turmeric powder and mix.
Add ginger paste and fry for some time.
Add green chillies and mix.
Add chopped potatoes and salt to taste and mix well.
Make small lemon sized balls out of this dry potato stuffing and keep aside.