Heat 1 tsp oil in a pan.
Add cumin seeds and allow to splutter.
Next add chopped onion and sauté till translucent.
After that add roughly teared curry leaves and chopped green chilies, sauté a bit.
Add coriander powder, turmeric powder and give a quick mix.
Now add the boiled and mashed potatoes along with salt.
Mix everything very well.
Finally add crushed peanuts and give a nice mix again.
Transfer to a plate and allow to cool down completely.
Line all the capsicum rings over a plate and fill each one with cooled potato mixture.
Heat a tawa / griddle and grease with oil.
Now carefully place the stuffed rings over the tawa, keeping space in between.
Allow to cook over low-medium heat.
Drizzle little more oil all over the patties, flip and allow to cook the other side.
When both sides seem light brown, transfer to a plate.
Serve hot with some ketchup !