A from-scratch vanilla custard layered with vanilla wafers and ripe bananas, chilled and finished with sweetened whipped cream.
Ripe but firm bananas hold their shape best. The pudding thickens further as it chills, so do not worry if it looks thin at first. Two (3.4 oz) packages of instant vanilla pudding can stand in for the homemade custard as a shortcut.
Find it online: https://www.receipster.com/best-banana-pudding-recipe-3/