1/2 cup - cream
Water as required
Dry powder of cumin
Slice the guavas and deseed them.
Put in a pan, cover with water, boil and simmer till water is coloured.
Cook till half.
Cool and churn with lemon sugar.
Add both the salts, mint and cumin powder and mix with soda water.
Put ice cubes in glasses and pour cream, then pour the liquid.
Mix well and serve.