Recipe by: delicious.com.au Serves: 6 Time: 1h             Ingredients   Juice of 1 orange 1 vanilla bean, split, seeds scraped 80g raw sugar, plus extra to sprinkle 500g rhubarb, cut into 10cm pieces 1 egg, lightly beaten Vanilla ice cream, to serve 200g unsalted butter, cut into 1cm pieces, chilled