Rhubarb Tart

This is perfect for January, when the new season’s forced rhubarb is just in, rosy and budding with its rhubarbiness. (Actually, Marks & Spencer sells exquisite stuff for a few months more.) It’s made all the more dazzling by the contrast with the snowy whiteness of the filling beneath. And I like the neatness of this, in shopping terms at least: you need the cream cheese for the pastry, so why not use it as well for the smooth and voluptuous interior? I know it looks as if there’s a lo