F unny thing about this recipe for crinkle cut accordion potatoes: I knew what I wanted to make by sight. But I didn’t know what they were called. Turns out accordion potatoes are also known as ...

Preheat the oven to 200C/180C/Gas 6. Scrub the sweet potatoes clean, slice each one into chunky chips (use a crinkle-cut knife, if you’ve got one), then tip them onto a large baking tray.

Cut the lasagne sheets in half lengthways, then into two-centimetre strips, using a crinkle-cut knife ... as creating a more streamlined design for recipe content, we’ve added lots of new ...