Though I am not a great fan of Lassi, I am giving you recipe of Lassi, you might wish to try it.

Plain Yogurt - 2 Cups

Chilled water - 4 Cups

Ice cubes - 10 to 12

Honey - 4 Tbsp

Vannila Essence 1/2 tsp

Pepper Powder - A Pinch

In a large bowl, mix together yogurt, water and honey. Pour yogurt mixture into a blender. Add ice cubes, vanilla essence and pepper. Blend until thick. Pour into tall glasses and serve chilled. You can use other essence also instead of Vanilla.