In mixing bowl beat the cream cheese, peanut butter and 1 cup of the Splenda. Fold in half of the Cool Whip. spread in the bottom of a 9" square pan. Sprinkle with half of the peanut butter cups chopped.
2
In another mixing bowl, beat the milk, pudding mix, and remaining Splenda on low speed for 2 minutes. Fold in remaining Cool Whip. Spread over peanut butter mixture. Sprinkle the remaining peanut butter cups over top. Cover and chill for at least 3 hours