Orange-blossom jelly

Instructions

• Put the sugar and 150ml/5fl oz water in a small saucepan, Heat gently
  to dissolve the sugar. Pour into a heatproof bowl and leave to cool.
• Sprinkle the gelatine over the surface of the syrup. Leave to stand until
  the gelatine has absorbed all the liquid.
• Gently melt the gelatine over a saucepan of simmering water until it
  becomes clear. Leave to cool.
• When the gelatine is cold, mix with the orange juice and orange-flower
  water. Pour into a jelly mould, and chill in the refrigerator for at least
  2 hours before serving.