Harriet's Weight Watchers Chocolate Peanut Butter Pie

16 squares graham crackers

1 1/2 c. instant dry milk, divided

2 3/4 c. cold water, divided

1/2 c. extra crunchy peanut butter

1 carton (9 oz.) lite cool whip

2 T. + 2 t. margarine, melted

small box sugar free vanilla instant pudding mix

small box sugar free chocolate instant pudding mix

Crush graham crackers and add margarine. Mix well. Spread in 10" pie pan. Set aside. Combine 2/3 c. dry milk, 1 1/2 c. cold water, and vanilla pudding mix. Blend until smooth. Add peanut butter. Spread in pie shell. Combine 2/3 c. dry milk, chocolate pudding mix, and remaining 1 1/4 c. cold water. Mix until smooth. Spread over first layer. Cover with lite cool whip. Refrigerate.