Let cookie dough stand at room temperature for 5-10 minutes to soften. Press into an ungreased 13x9-in. baking pan. Bake at 350° until golden brown, 14-16 minutes. Cool on a wire rack. , In a large bowl, beat cream cheese and confectioners' sugar until smooth. Fold in 1-3/4 cups whipped topping. Spread over crust. , In a large bowl, whisk milk and pudding mixes for 2 minutes. Spread over cream cheese layer. Top with remaining whipped topping. Sprinkle with nuts and chocolate curls if desired. , Cover and refrigerate until firm, 8 hours or overnight.