Heat some oil in a pan. Add the dals/parappu/lentils , dried red chillies and pepper.
Roast till the dal turn golden brown. Allow it to cool.
Then add the curry leaves , tomatoes and garlic.
Grind it to a fine paste along with tamarind.
Heat some more oil.
Add the mustard .After it crackles, add your choice of dried or fresh vegetables(as mentioned in the ingredients list above. Add salt and asafoetida. Add the ground paste. Add 2 cups of water(rinse the blender and add that water too into this). Mix well and cook till the gravy thickens. It will take around 10-15 minutes.
Serve with hot rice and roasted appalams/papads.
You can add more sesame oil to the rice after mixing with vathal kuzhumbu.
I found some interesting vathal kuzhumbu (other than those which I have already listed above) in the blogosphere. So thought of sharing it with you all if you havent already seen.