First, prepare your rose petals. Paint both sides of each rose petal with egg white and sprinkle with caster sugar on both sides. Set on a piece of parchment paper and leave to dry overnight
2
When ready to serve, combine the apple and rhubarb juice, soda water, rose water and lime juice in large jug. Stir together to combine
3
Divide the ice between four tumblers, pour over the mocktail and top with the rose petals, mint and slices of lime. Serve