Cappuccino Chocolate Cheesecake

• 20 wafers
• 2 eggs
• 600 ml nonfat sour cream substitute
• 325 gr chocolate wafers
• 200 gr sugar
• 120 gr nonfat egg (frozen)
• 230 ml cream cheese (light)
• 85 gr unsweetened cocoa powder
• 30 ml coffee liqueur
• 4 gr vanilla