Yeah I know the one you're probably describing, standard green curly kale like they sell in the supermarkets.
Leaves are thinner than a lot of other kales, so it does well just quickly steamed or stir-fried (I like to give it a rinse before stir-frying and not drain it too well, so it steams a bit at the same time). You might need to cut out thicker stems like other people have said - should be easy to tell if you need to, by whether they're juicy and easy to cut or if they have stringy fibrous bits.
It's good just wilted in at the end of cooking tomatoey bean/lentilly stews, or as a more substantial alternative to spinach in creamy cheesey sauces (blanch it first unless the sauce is very wet, or it might not cook through)
This recipe is lush if you like the other main ingredients. It uses black kale but green curly kale would work well too, especially the thicker older leaves.
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