1 ( about 21 oz.) pkg. brownie mix
1 1/2 c. creamy or chunky peanut butter
1 1/2 c. cold milk
1 (4 serving size) pkg. Jello chocolate flavor instant pudding
1 c. Cool Whip
1/4 c. chopped peanuts (optional)
Hershey's chocolate syrup (optional)

Prepare brownie mix as directed on package; bake in a greased 12 inch pizza pan at 350 degrees for 20-25 minutes. Cool thoroughly in pan. Transfer to a serving platter.

Spread peanut butter over brownie base. Pour milk into shaker cup; add pudding mix. Cover and shake vigorously 1 minute. Let stand until slightly thickened. Pour over brownies. Spread with Cool Whip. Refrigerate at least 1 hour. Garnish with chocolate syrup and peanuts before serving.