1 lg. box vanilla wafers
1 lg. box vanilla instant pudding
18 oz. sour cream
1 lg. whipped topping (16 oz.)
5 lg. bananas
2 1/2 c. cold milk

Mix pudding with milk in a large bowl. Add sour cream and 1/2 of topping. Mix well. Layer wafers and bananas putting pudding mix over each layer. Put other 1/2 of whipped topping over top and sprinkle with crushed wafers.