Tayto Wurster Sauce Potato Crisps. Set deep in the heart of the Ulster countryside is Tayto Castle where Tayto have been making some of the world's best loved crisps and snacks since 1956. Tayto crisps are a part of growing up in Northern Ireland.A family-owned company, we pride ourselves in employing local people and using local ingredients to produce great tasting crisps and snacks for everyone to enjoy.We select only the finest, specially grown potatoes, gently cook them until golden and add Tayto's unique seasoning to ensure you get irresistible crisps every time.