Double Dark Chocolate Cake With White Chocolate Sauce

• 7 eggs
• 2 bourbon
• 475 ml cream (heavy)
• 425 gr semi-sweet chocolate
• 160 gr chocolate in (white chopped pieces)
• 70 gr butter
• 65 gr sugar
• 60 gr unsweetened chocolate in (chopped pieces)
• 20 gr sugar
• 4 gr vanilla extract