Cheese & Onion Flavour Potato Crisps Set deep in the heart of the County Armagh countryside in Tandragee is Tayto Castle where Tayto crisps have been made 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 and gently cook until golden.Within the Castle is a closely guarded room where the unique Tayto Cheese & Onion flavour is made.Only a very select few know the secret recipe, which has been carefully passed down through the generations.We add this special seasoning, which ensures Tayto Cheese & Onion crisps taste like no other: irresistible every time.