Cut peppers, remove the seeds and set aside.
Heat oil in a pan, add in onions, chillies and saute for a min.
Add in ginger garlic paste and saute for a min.
Add in tomatoes and mix well.
Add salt and spice powders.
Add in mashed potatoes and mix well.
Add little water and mix well.
Spoon this into the peppers.
Heat oil in a pan, place peppers in the oil. Cover and cook till golden on both sides.