Preheat the oven to 350degrees F.
For thecustard, add the egg yolks, 1 cup sugar, milk, flour, salt and vanilla in a potover medium heat. Simmer until thick like pudding. Remove from heat and letcool. It will thicken even more as it cools.
For themeringue, beat egg whites and salt with a hand mixer until frothy. Add thesugar one tablespoon at a time, mixing between until all the sugar is added andthe meringue has stiff peaks. Lastly, add the vanilla and gently fold in with aspatula.
To assemble,layer the bottom of the dish with vanilla wafers. Layer half of the slicedbananas on top of the wafers. Spread half of the custard over the wafers andbananas. Repeat these three steps using the remainder of the wafers, bananasand custard. Top with the meringue by plopping dollops then gently spreadingthe dollops around.
Bake for 15minutes or until the meringue has browned peaks. Store in the refrigeratorafter it has cooled.