Chocolate Chip Cheesecake Bars

Bahan-bahan (24 porsi)

• 30 Oreo cookies
• 6 tablespoons (¾ stick) butter
• Three 8 ounce packages cream cheese, (at room temperature)
• 1½ cups granulated white sugar
• ¼ cup sour cream
• 2 teaspoons vanilla extract
• ¼ cup all purpose flour
• 3 large eggs
• 1¼ cups mini chocolate chips, (divided)