Potato Stew

This is a curry I make often because it goes well with a lot of sides. It tastes great with pooris , rotis , dosas , appams and even bread.Ingredients :2 large potatoes, chopped into 1" cubes1 large onion, chopped into small chunks1&1/2 tbs chopped ginger4-6 green chillies, slit8-10 pepper..