Prepare in layers.

1ST:

1 c. flour
1/2 c. melted butter
1/3 c. chopped nuts

Mix well and pat into a 9 x 13 inch pan. Bake at 350 degrees for 15 minutes.

2ND:

1/3 c. peanut butter
1 (8 oz.) pkg. cream cheese, softened
1 c. powdered sugar
2 c. Cool Whip

Mix first 3 ingredients well and blend in Cool Whip. Spread over cooled 1st layer.

3RD:

1 (3 3/4 oz.) pkg. vanilla instant pudding
1 (3 3/4 oz.) pkg. chocolate instant pudding
2 3/4 c. milk

Mix well and spread over 2nd layer. Refrigerate a few minutes to set the pudding. Top the 3rd layer with Cool Whip. Sprinkle with peanuts and 1 regular size Hershey bar shredded. Keep refrigerated.