| • | Beat the yogurt till smooth.
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| • | Pour water and churn the mixture well.
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| • | Tie grated ginger in a muslin cloth and squeeze the juice into buttermilk.
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| • | Add salt and stir.
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| • | Heat oil in a small pan.
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| • | Add cumin seeds and asafetida. Allow the spices to splutter.
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| • | Add chilli and curry leaves.
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| • | While the spices are sizzling, add them to buttermilk.
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| • | Add chopped coriander leaves and stir well.
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| • | Pour into a glass.
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| • | Chill for an hour. Ready to serve. |