Chocolate Cream Cheese Pie

• 2 eggs (separated)
• 1 semi-sweet cho bits
• 1 unsweetened cho mel (square)
• 240 ml cream (heavy)
• 220 gr brown sugar
• 160 gr graham cracker crumbs
• 170 ml cream cheese softened
• 75 gr butter
• 9 gr vanilla
• 1 gr salt