Walk through the chutney list on almost any chaat recipe in this library and you'll keep meeting the same small cast of characters, just in different proportions. Green mint-coriander chutney, sweet tamarind-date chutney, a dry roasted garlic chutney, and a thinned yogurt are the four workhorses that show up across pani puri, bhel puri, sev puri, dahi puri and vada pav alike. None of them is complicated to make, but each is doing a specific job in the finished dish, and knowing what that job is makes it much easier to adjust a chutney that's too flat, too sweet, or too thin rather than just redoing it from scratch and hoping.
Green chutney: herbal heat and freshness
Green chutney is built from fresh mint and coriander leaves blended with green chillies, ginger, and usually a souring agent — lemon juice or a small amount of raw mango or tamarind — plus salt. Its job is to bring sharp, raw, herbal heat to a dish, the kind of bright green flavour that a cooked spice blend can't replicate. It's typically made by blending everything with a small splash of water to a smooth, pourable paste; too much water dulls the colour and flavour, so many cooks blend it thick first and thin it only at the point of use. A pinch of sugar is common to round off the chilli heat without making the chutney taste sweet. Refrigerated in a sealed container, green chutney keeps well for about 3 to 4 days, though its vivid colour fades a shade by day two; a few drops of lemon juice stirred in help it hold colour slightly longer. If it tastes flat, it's almost always under-salted or under-acidified rather than under-spiced — taste with a grain of salt in mind before reaching for more chilli.
Tamarind-date chutney: the sweet-sour backbone
This is the chutney that gives bhel puri, sev puri and dahi puri their rounded, almost jammy sweetness. It's made by simmering tamarind pulp with dates or jaggery, along with roasted cumin and sometimes a pinch of dry ginger powder and red chilli powder, until it reduces to a thick, spoonable syrup. The long simmer matters: it softens the dates completely and lets the sourness of the tamarind mellow into the sweetness rather than sitting on top of it as a sharp note. The right texture is thick enough to coat the back of a spoon without running off immediately, closer to a thin syrup than a jam. It keeps refrigerated for 2 to 3 weeks because of its sugar and acid content, which makes it one of the few chaat chutneys worth making in a larger batch. If a batch tastes too sour, simmer in a little more jaggery; if it's cloying, a splash of extra tamarind pulp or a squeeze of lemon brings it back into balance.
Dry garlic chutney: pungent crunch
Best known as the chutney that goes inside a vada pav bun, this one is a dry, coarse powder rather than a wet paste — roasted garlic cloves pounded with dried red chillies, salt, and often a spoonful of desiccated coconut or sesame for body, until the mixture is dry enough to crumble between your fingers rather than stick to them. The garlic is usually dry-roasted or very lightly fried first, which mellows its raw sharpness into something deeper and more savoury without losing its punch. Because it's dry, it keeps far longer than the wet chutneys — up to a month in an airtight container at room temperature, or longer refrigerated — which is part of why vada pav stalls keep large batches on hand. Its job in a dish is textural as much as flavour-based: a spoonful smeared inside a bun or sprinkled over a chaat adds a gritty, pungent bite that cuts through softer, starchier elements like potato or bread.
Yogurt: cooling creaminess, not an afterthought
Plain whisked yogurt, sometimes lightly sweetened and salted, is the fourth essential element, and it's easy to underrate because it looks like a garnish rather than a chutney. Its job is to cool and smooth out everything else on the plate — the sourness of tamarind, the heat of green chutney, the saltiness of sev — the same way raita tempers a spicy curry. For chaat use, yogurt is whisked until completely smooth and thinned with a little milk or water until it's pourable rather than spoonable, since a thick dollop sits heavily on top of a dish instead of integrating into each bite. A pinch of salt and sugar in the yogurt itself, whisked in before serving, makes a real difference — unseasoned yogurt tastes flat and slightly sour against the other chutneys. Fresh yogurt is best used within a day of whisking for chaat purposes, since it continues to sour as it sits.
How the four work as a system
No single chaat uses all four at equal strength; the skill is in choosing which two or three dominate for a given dish. Pani puri leans almost entirely on green chutney, dissolved into the pani itself, with tamarind water as a milder, sweeter counterpoint for those who want less heat. Bhel puri and sev puri use tamarind chutney as the backbone with green chutney as an accent, since too much green would make the dish taste more like a herb salad than a sweet-savoury snack. Dahi puri puts yogurt in the lead role, with both chutneys added more sparingly as drizzles rather than a base layer, since yogurt is the dominant texture and flavour there. Vada pav is the one dish built around the dry garlic chutney, usually paired with a thin green chutney smeared on the bun and little or no tamarind at all. Thinking of chutneys as a small system rather than a fixed recipe makes it much easier to adapt any chaat to taste — more tamarind if a dish feels one-note sour, more green if it feels flat, more yogurt if it feels aggressive, more garlic chutney if it needs a savoury, textural kick.
Storage and make-ahead sense
Because the four chutneys keep so differently, most home cooks are better off making them on separate schedules rather than all at once right before serving. Dry garlic chutney and tamarind-date chutney both reward batch-making, since they keep for weeks and barely change in character. Green chutney is worth making a day or two ahead at most, and yogurt should be seasoned close to serving time. Keeping all four on hand in the refrigerator, in small sealed containers, turns chaat-making into an assembly job rather than a from-scratch cooking project every time, which is exactly how most home kitchens and stalls manage to put a full chaat spread together quickly.