Ruth Epstein's Nesselrode Pudding/pie

• 9 pie shell
• 2 eggs (separated)
• 2 nesselrode (drained)
• 120 ml milk
• 30 gr semisweet chocolate for (grated garnish)
• 16 gr dark rum
• 8 gr sugar
• 6 gr gelatin (unflavored)
• 5 ml water (cold)
• 1 gr salt