Whisk together flour, sugar, salt, and milk.
Stir constantly on medium heat until it thickens, then cook on low for 15 minutes.
Pour a small amount over beaten egg yolks, beating in well.
Return to saucepan and stir constantly for 2-3 minutes over medium heat.
Remove from heat and stir in vanilla.
Add a small amount of pudding to the bottom of your baking dish.
Layer wafers and bananas.
Spread some more of the pudding on top.
Repeat the layering process.
Top with whipped cream and ENJOY!