Good-Cooking - Chocolate Chip Cookie Dough Cheesecake

Ingredients

• 1 1/2 cups finely crushed chocolate wafer cookies
• 1 cup granulated sugar
• 1/4 cup melted butter
• 16 ounces cream cheese, diced
• 2 cups sour cream
• 3 eggs
• 2 teaspoons vanilla extract
• 1/4 cup butter
• 1/4 cup packed brown sugar
• 1/4 cup granulated sugar
• 2 tablespoons water
• 1 teaspoon vanilla extract
• 1/2 cup all-purpose flour
• 1 cup semisweet chocolate chips
• 2 teaspoons granulated sugar