Soak black-eyed beans overnight. Drain the water when ready to cook.
Pour oil into a pressure cooker
Once the oil is hot, fry Thyme seed,fenugreek seed,cumin seed
Add potatoes after a minute
Add soaked black eyed beans
add the masala, ground coriander, chilli and salt and fry for 5-6 minutes, stirring regularly
Once you smell the spicy aroma (1-2 minutes), add 1 litre (4 cups) water
Close pressure cooker lid and wait till 7-8 whistles of pressure cooker
Garnish with coariander chopped and serve hot.