These would be The King of Deathsnacks but for two detracting factors:
they are nearly £2 for 60g!
the spectacularly delicious ‘coating’ is 99% in the bottom of the bag by the time they reach you, so you need a teaspoon to add a metered-quantity to every mouthful.
Double Crunch are my fave Walkers - Sooo crunchy …and yes, they are becoming increasingly rare, maybe they’ve been discontinued Our local Tesco superstore only has the cheese and onion flavour lately.
By an amazing stroke of luck, Ann was in our local Wilco recently and there was an entire shelf of the chicken/chorizo for only 55p (usually £1.99) a packet - she bought the lot