Menasina saaru or pepper cumin rasam is very tasty and healthy saaru for winter season and also for nursing mothers. Pepper helps in increasing the milk production in nursing mother. This rasam is soothing and gentle on stomach. After the delivery of the baby the woman's body goes through a lots of hormonal changes. It is always good to have simple, healthy food and calm environment for the recovery.
If you feel the rasam is spicy you can add hot milk at the end and serve it to the new mother.
If it not for new moms you can add coconut milk too. You can squeeze lemon juice and drink hot rasam/saaru.