Ingredients:
60-70 vanilla wafers
1 cup granulated sugar
3 tbsp cornstarch
1/4 tsp salt
2 cans (12 fl.oz. each) evaporated milk
2 beaten large eggs
1/2 tsp vanilla extract
3 tbsp butter
5 ripe but firm bananas - cut into 1/4 inch slices
1 cup frozen whipped topping, thawed