Good-Cooking - Devil's Tooth Cheesecake

Ingredients

• 1/4 cup (1/2 stick) melted butter
• 1 package Nabisco chocolate cookie wafers, crushed
• 16 ounces cream cheese
• 1 cup granulated sugar
• 1 (16 ounce) container ricotta cheese
• 6 eggs
• 1/2 cup sour cream
• 1 1/2 teaspoons almond extract
• 1 1/2 teaspoons vanilla extract
• 12 ounces chocolate chips
• 1/4 cup butter
• 1/2 cup whipping cream