2 (3 1/2 oz.) pkg. vanilla instant pudding
3 c. milk
1 (12 oz.) Cool Whip
1 can chocolate frosting
1 box plain graham crackers

Mix together and stir until smooth first 2 ingredients. Refrigerate for about 15 minutes. Butter along Pyrex baking dish on bottom and sides. Line bottom and sides with graham crackers. Keep whole. Do Not Crumble. Fold in Cool Whip with pudding mixture. Spread 1/2 mixture over crackers. Put in 2nd layer of crackers. Spread remainder of pudding mix. Add another layer of crackers. Top with Chocolate Frosting. Refrigerate. Best when made the night before.