South India's sweet raita — fresh pineapple in coconut-tempered yogurt. The mustard-curry leaf tempering changes everything.
Pineapple raita is a South Indian speciality — fresh pineapple in yogurt tempered with mustard seeds and curry leaves. It is sweet, tangy and cooling, served alongside spicy South Indian rice dishes. The unusual challenge with pineapple raita is bromelain — the enzyme in fresh pineapple that breaks down protein (the same enzyme used as a meat tenderiser) and will gradually break down the yogurt proteins if the raita sits too long.
Heat oil. Pop mustard seeds. Add curry leaves, dried red chilli and asafoetida. Cool the tempering completely before adding to yogurt.
This is the distinctive South Indian addition to raita — the tempering transforms what would be a simple fruit-yogurt from plain sweetness to complex savoury-sweet. The mustard seed compounds and carbazole alkaloids from curry leaves extract into the oil and distribute through the yogurt when cooled and mixed in. The tempering must be cool before adding — hot oil in yogurt causes localised protein denaturation and curdling.
Mix pineapple into yogurt with sugar and salt. Add cooled tempering. Garnish with grated coconut. Serve within 30 minutes.
Fresh pineapple contains bromelain — a protease enzyme that breaks down protein. At room temperature, bromelain gradually denatures yogurt proteins, making the raita increasingly watery and slightly grainy over time. Refrigeration slows but does not stop this process. Using very cold yogurt and serving within 30 minutes prevents noticeable breakdown. Canned pineapple has been heat-treated, deactivating bromelain — it does not cause this problem but also tastes different.