We try to make as many of our recipes adaptable as we can, because everyone has different tastes. The basic recipe for this is really simple, so it leaves it open for you to get creative and add your own flavours. Once you have the kale, olive oil and salt, you can just add on to that. So, what is next for crisps? Hovey believes the demand for “bolder and bigger” flavours isn’t going anywhere, while Berenstein says that nothing – not even a climate apocalypse – can break the seasoning spirit.

Kale crisps: the best thing since sliced sourdough, or a massive hipster swizz? Can anyone explain the secret of kale’s success – and suggest what I should do with all my leftover curly kale? Original and best? Despite the plethora of choice, traditional flavours are still popular. Photograph: Les Gibbon/Alamy Give your potatoes crisps room in the oven. Space out your homemade potato crisps so that they don’t touch will ensure that they cook evenly and completely all the way through, giving you crispy baked potato crisps as a result.I’d suggest keeping things rather simpler in the form of salt and a sprinkling of smoked paprika, though feel free to substitute spices of your choice, or indeed a little lemon zest, which is always a good match with leafy greens. I’m less keen on Baxter and Dimbleby’s final squeeze of lemon juice though, simply because it undoes all my previous hard work on the crispness front. Looking for other ways to use kale? Why not try our Kale Soup, Kale Smoothie, Air Fryer Kale, or Kale, Watermelon and Feta Salad. We also love adding kale to any of our Slow Cooker Recipes to give it a bit of a greens boost. Jump to: In the UK, crisp manufacturers have been coming up with more and more elaborate crisps (Aldi’s Gin and Tonic, M&S’s Prosseco and Winterberries) yet none have created a peanut-flavoured crisp. Why? Combining two of the most popular beer foods together doesn’t seem that much of a stretch of the imagination. It’s like putting Superman and Batman together in a movie. (Hang on, scrap that comparison, that sounds awful.) Climate change is going to change agricultural production: people will eat less meat, there will be finite availability of certain kinds of produce, or at least a higher cost to pay,” she says. “But I think, because flavour is potent in very small quantities, it’s one of the things you’ll be able to expand.” As our food options shrink, Berenstein argues, artificial flavourings could become more prevalent as we look to mix up our limited diets.

Don’t omit the soaking process of your potato crisps. I recommend leaving them for at least 30 minutes but you can leave them for a couple of hours before rinsing your potato slices. Paul said: "I was supposed to be filming for Channel 5 the next day, a film called ‘Hard Work Pays Off’, but I had to call them to say I couldn't come in. It’s also really important to wash and dry your potatoes thoroughly before baking, this will prevent soggy crisps and be sure to slice them thinly. Using a mandolin when slicing your homemade crisps will ensure a very thin potato slice that cooks all the way through and remains super crispy. Put the kale in a large bowl and add the oil. Massage it into every dimple in the leaves, then toss with the seasoning. Spread out in a single layer on two large baking trays lined with baking parchment and bake for about 30 minutes, turning the trays round half way through cooking. As a starter, you can try flavouring your crisps with salt, pepper and dried rosemary. Or smoked Paprika with pepper and salt as shown in the recipe.

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There are many different types of kale. The leaves can be green or purple, and have either a smooth or curly shape - we used green curly kale in this recipe, which is what gives it the vibrant green colour. But you can use a mixture of purple and green, which would give a lovely mixture of colour. We have asked Paul to send the product and object to us so we can conduct a full investigation." Most Read

How is it possible that, in 60 years, British shops have gone from selling one crisp flavour to selling hundreds – and why are seasonings becoming more unusual? What led Kettle Chips to release a “truffled cheese and a splash of English sparkling wine” flavour in October? Was there a mad scientific breakthrough that caused Walkers to release bratwurst, paella, haggis and spaghetti bolognese crisps in 2010?

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