Dirt Cake

2 (8 oz.) pkg.’s cream cheese
1 c. powdered sugar
3 c. milk
1 (6 oz.) pkg. instant vanilla pudding
1 (16 oz.) carton Cool Whip
1 (16 oz.) pkg. Oreo cookies

Combine first 5 ingredients together. Crush cookies and place half on bottom of a 13x9x2-in. pan. Pour cream cheese mixture over cookies. Top with remaining cookies.