Combine the dal and 2 ½ cups water in a saucepan. Bring to a boil. Using a ladle, remove scum that will rise to the surface of the water. Reduce to a simmer and cook for 20 minutes.
In a small skillet, heat ghee. Add asoefetida. After is stops sizzling, and chiles and garlic, until garlic turns golden brown.
Add to the cooked dal and stir to combine. Add salt to taste. Stir to combine.