Blood Orange Jello

Directions

1. 1
   Bloom gelatin in 1/2 cup cold orange juice in a heatproof bowl for 5 mins. Place bowl over a double boiler and gently heat until gelatin melts. Stir in remaining orange juice.
2. 2
   Distribute grapes between 4 large wine glasses then arrange on a small tray. Cover fruit with orange gelatin mixture and chill for 30 mins, until just set. Add remaining liquid and chill for 3 hours, until set. Decorate each glass with a sprig of mint and 2 grape halves.