Start by taking about 1 cup of fresh plain yogurt (curd) in a mixing bowl.Whisk it well.2. Add 2 cup cold water to the yogurt. The ratio of yogurt to water depends on your preference for thickness.3. Append salt to taste.4. Give the mixture a final whisk to incorporate all the ingredients and to give frothy look.5. If you want to enhance the aroma and freshness, you can finely chop some mint leaves and coriander leaves, and add them to the chaas. This step is optional but highly recommended.Pour the chaas into glasses.Your Chilled Chaas is ready
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Notes
You can adjust the consistency of buttermilk according to your licking.
The spices are be adjustable as per your convenience.
Make sure serve it chilled. You can add ice cubes as per your need.