Wash and soak sabut masoor for 2 to 3 hours. After soaking drain, the water.
Add the washed lentils to a pressure cooker along with 2 cups water and pressure cook it for 2 whistles.
Wait for the pressure from the cooker to be released.
Heat a kadai, add oil. After oil gets heated, add mustard seeds and let it flutter.
Add cumin seeds.
After cumin seeds crackle, add curry leaves, asafoetida and slit green chili and stir nicely.
Add chopped onion and sauté till onion turns pinkish.
Add chopped tomato and let it cook till tomato turns soft and mushy.
Sprinkle ¼ teaspoon salt and mix well.
Add turmeric powder and mix.
Pour the pressure cooked masoor, add grated coconut and mix well.
Let this cook for 5 minutes on low flame.
Taste and add little more salt if needed.
Garnish with chopped coriander leaves.