Pintxos are a must-try when visiting San Sebastian. These bite-sized snacks are typically served on a skewer or a slice of bread and are often topped with a variety of ingredients such as seafood, cured meats, and vegetables. The city is known for its vibrant pintxos bars, where you can hop from one place to another, sampling different flavors and combinations. Don't miss out on trying classics like Gilda, a skewer with olives, anchovies, and pickled peppers, or the delicious txangurro, a crab-filled delight.