Step 2 ,make potato filling- 1 tb. Sp oil, 1/2 tb. Sp mustard seeds, 1/2 bowl chopped onions, add 1/2 bowl green peas, mix all ingredients, add 2 tb. Sp water as required, half cook green peas then add 2 bowl potato slide, 1/2 tb. Sp red chilli powder, 1/2 tb. Sp turmaric powder, salt as your test, 1 cup water, cover for 5 min, after cooked our potato slide then switch off the gas and add chopped coriander.