Chocolate-Raspberry Truffle Cheesecake

Ingredients

• 1 ts Vanilla extract
• 1/4 c Sugar
• 1 1/2 c Cream-filled chocolate
• 1/4 c Butter or Margarine Melted
• 1 ct Sour cream; (8 oz)
• Divided
• 1/4 c Whipping cream
• 4 pk Cream cheese; (8 oz),
• 1 ct Sour cream; (16 oz)
• 1/3 c Seedless raspberry preserves
• 1/2 c Semisweet chocolate chips;
• Cookies; crushed, abt. 21
• 1 1/4 c Sugar
• 1 c Semisweet chocolate chips;