1 (5.1 oz.) pkg. vanilla instant pudding
1 (14 oz.) can sweetened condensed milk
2 1/2 c. cold milk
1 (8 oz.) container Cool Whip
3 or 4 bananas, sliced
vanilla wafers

Mix together instant pudding and 2 1/2 cups of milk until slightly thickened. Add sweetened condensed milk and Cool Whip to pudding. Mix well. In a 9 x 13-inch dish, layer vanilla wafers and bananas and pour mixture over layers. Refrigerate before serving (at least 2 hours).