firstly, in a pressure cooker take 1 cup soaked white peas (vatana), 1 potato, ¼ tsp turmeric, ½ tsp salt and 3 cup water.
pressure cook for 5 whistles or until white peas get cooked completely.
now in a large kadai heat 3 tsp oil and saute 1 onion, 1 tsp ginger garlic paste and 1 chilli.
also, saute 1 tomato until it turns soft and mushy.
furthermore, add ¼ tsp turmeric, ½ tsp chilli powder, ½ tsp coriander powder, ¼ tsp cumin powder, ¼ tsp garam masala and ¼ tsp salt.
saute until the oil is released from the sides.
now add boiled peas and mix well.
boil for 5 minutes or until the spices is absorbed well.
mash the peas and potato slightly, to thicken the consistency.
also, add coriander leaves and mix well. ragda is ready.