A decadent savoury tart that makes the most of seasonal curly kale

The only thing better than a normal tart, is a tart with a Gruyère crust. Melanie Johnson reveals how to make one using curly kale, mushrooms and caramelised shallots.

The only thing better than a normal tart, is a tart with a Gruyère crust. Melanie Johnson reveals how to make one using curly kale, mushrooms and caramelised shallots.