Soak the Pattani/Dry peas overnight.
To saute and grind, Heat oil, crackle cumin seeds, garlic and add curry leaves, onion and fry till pink.
further, add poppy seeds and fry for few seconds.
Later, add sambar powder and coconut pieces. Fry again for few seconds. Put off flame.
Let the mixture cool and grind it to a fine paste.
Meanwhile, In a cooker, heat oil, add mustard seeds, chopped ginger, curry leaves and onions
Fry till onions are slightly brown.
Further add tomatoes and fry till slightly mushy.
When the tomatoes are mushy, add prepared masala, turmeric powder and fry for few minutes.
Now, drain and add the peas and diced potatoes to the cooker along with salt to taste .
Add water to make it thin. Close and pressure cook for 4-5 whistles.
Open and mash it slightly.
lastly, garnish with chopped coriander leaves and serve hot with idli/dosa/rice.