If you have ever stood at a roadside stall in India and watched a vendor build a snack in front of you, layer by layer, you already know the joy of chaat. Loud, messy, bright, and built for sharing, it is one of the most beloved corners of Indian street food. Here is what chaat actually is, where it comes from, the dishes worth seeking out, and how our own Pukka Chaat fits into the wider world of chaat.