Boil the potatoes and peel the skin.
Mash this roughly with hands.
In a pan add oil and add 3 tsp of oil, mustard seeds, urad dal, grated ginger, chopped green chilis, asafoetida, and curry leaves.
Saute till the dal turns golden brown.
Now add in the roughly mashed potatoes.
Add salt and turmeric powder.
Combine well and cook for 2-3 minutes.
Switch off the flame and add the lemon juice.
Mix well evenly.
Potato podimas is ready.
Serve with any South Indian meal.