1.First take the Cucumber and cut into a small pieces.
2.Then add a pinch of salt and lemon juice and mix it well and put aside.
3.Take a pan add oil, mustard seeds,dry red chillies,cumin seeds,
chopped garlic,chopped onions,pinch of turmeric and mix it nicely.
4.Then add a pinch of hing,curry leaves and chopped green chillies
then add chopped Cucumber pieces.
5.Add salt as per taste and a little bit of water.
6.Saute all these nicely for 2 mins.
7.Then add 1tbsp of butter,then add boiled toor dal.
8.Put on lid and saute it nicely for 3 mins.
9.Then sprinkle the coriander leaves and serve in a bowl with Rice.