79p for 300g, Lidl
Not too flavoured and very little salt. Photograph: Sarah Lee/Guardian
£2.95 for 450g, Harvey Nichols
Good, clean taste that won’t detract from whatever dip they accompany. Very generously sized bag. Photograph: Sarah Lee/Guardian
89p for 175g, Marks & Spencer
Perfect crunch, delicious flavour, bargain price. Photograph: Sarah Lee/Guardian