Take a small kadai . Add ghee . Add methi seeds and broken red chillies to it . Fry till  methi seeds turn brownish and aromatic. Once done transfer to a plate .

Grind the roasted meti seeds along with grated coconut , salt and little curd .

Make a very smooth paste . If required you can little water while grinding .

Transfer the paste to a serving bowl . Add the remaining curd / butter milk . Mix well . Taste test and check the consistency . Its usually made little thin consistency .

Finally prepare a tempering . Take ghee in the small kadai . once hot add mustard seeds . When they splutter add curry leaves and switch off. Pour this tempering on the menthe tambli . Give a gentle mix. That's it . Menthe tambli is ready to serve . Relish it with plain rice .