Witch's Brew Cake serves 12 22 Oreo Chocolate Cookie 1 (18.25 oz) yellow cake mix with pudding in mix 1 cup water 1 cup solid packed canned pumpkin 3 eggs 2 teaspoons ground cinnamon 2 cups whipped topping 1/4 cup chocolate-flavored syrup Chop Oreo cookie; set aside. Mix cake mix, water, pumpkin, eggs, and cinnamon in large bowl with electric mixer at low speed until moistened. Beat 2 minutes at high speed. Fold in 1 1/4 cup of chopped cookies. Pour batter into greased 10-inch fluted tube pan. Bake at 350 degrees for 45 to 50 minutes or until toothpick inserted in center comes out clean. Let cool in pan 10 minutes. Remove from pan; cool completely on wire rack. Place cake flat side up on serving dish. Combine whipping topping and chocolate syrup; frost top and sides of cake. Press remaining chopped cookies into cream on side of cake.