Phuchka is a variation of puchka, which is a popular street food in Kolkata. It is similar to puchka, but the filling is slightly different. Phuchka is filled with a mixture of mashed potatoes, boiled chickpeas, and a tangy tamarind chutney. The puris used for phuchka are smaller in size compared to puchka. It is a favorite snack among locals and is often enjoyed as a quick and flavorful bite.