‘You are what you eat’ proclaimed Gillian McKeith, in her infamous Channel 4 programme. And, while her methods might have had madness to them, her underlying point is right! So, pull up a chair (notice how we didn’t say ‘stool’) because we’re about to take you through the beauty benefits of eating our Rose Harissa and Preserved Lemon marinade.  You may not have thought about the effects of Rose Harissa on your skin before, but its ingredients carry a whole raft of them. It might be why Yotam Ottolenghi ranks Rose Harissa in his top ten sauces (although, we admit,...