Authentic Nannari Sarbath Recipe (South Indian Sarsaparilla Cooler)

Nannari sarbath is having a moment online, with home cooks rediscovering this old-school Tamil summer cooler through viral Instagram reels and Pinterest pins. The drink starts with nannari, the dried root of Indian sarsaparilla (Hemidesmus indicus), simmered into a deep ruby syrup that mixes with lemon and chilled water into the most refreshing thing you can drink when the weather turns hot. It tastes mildly sweet with a faint vanilla and root-beer note and a clean herbal finish, and it is famously cooling for the body. Once the syrup is bottled, a glass takes about thirty seconds to put together. This recipe walks through how to extract a clean, deeply flavored syrup from raw nannari root and exactly how to serve the drink at home.

About This Dish

Nannari has been used in South Indian and Ayurvedic kitchens for centuries, valued as a body coolant and gentle blood purifier during hot months. The roots are most strongly associated with Tamil Nadu, where roadside sarbath kadais (sharbat stalls) sell tall glasses of the chilled drink to thirsty passersby all summer long. Kerala and parts of coastal Karnataka have their own variations, sometimes layered with milk, ginger, or rose syrup. The earliest references treat nannari as an Ayurvedic medicinal herb under the names sariva and anantamool. Today the syrup has crossed firmly into the home kitchen, where bottling a batch in advance has become a popular spring ritual.

Ingredient Notes

The single biggest factor in good nannari sarbath is the quality of the root. Hunt for nannari roots at South Indian or Tamil grocery stores; well-stocked shops sometimes carry pre-cleaned roots that save the hammering step. The dried bark is the part you want, since the woody white stick running through the center is fibrous and bitter and gets discarded. Sugar is traditional and gives the syrup its body, though it can be reduced by up to a quarter cup if a less sweet drink is preferred. A small amount of lemon juice stirred in at the end keeps the syrup from crystallizing in the fridge and lengthens its shelf life. For serving, sabja or sweet basil seeds are optional but classic; they swell into translucent jellied dots and add a gentle textural pop and an extra cooling effect.

Method And Tips

The technique is simple but built around two distinct phases: extract first, then reduce. Soaking the crushed roots in water for at least three hours pulls out the color and aroma, and an overnight soak in the refrigerator gives a noticeably deeper, rounder flavor. After straining, the sweetened liquid needs to come down to a half-string consistency, which is the marker that the syrup will be thick enough to hold flavor when diluted. Cook over steady medium heat and avoid letting the sugar caramelize, since that can turn the syrup bitter and dull the floral notes. If the finished syrup feels too thick after cooling, thin it with a splash of warm water; if too thin, return it to a low flame for a few more minutes. Always cool the syrup fully before bottling, and store it in a clean glass jar so it stays fresh for the full month.

Serving Suggestions

Pour the finished sarbath into tall glasses, drop in ice cubes and a tablespoon of soaked sabja seeds, and serve cold alongside anything from a midday snack to a full South Indian meal. It pairs especially well with spicy summer fare like meen kuzhambu, curd rice, or a plate of crispy dosas. Bottle a batch on a quiet afternoon and the cooler will be ready every time the heat picks up.