Granulated Sugar: 150 grams
All-Purpose Flour: 40 grams
Salt: 1 pinch
Whole Milk: 720 milliliters
egg yolks: 4
Butter: 30 grams
Vanilla Extract: 2 teaspoons
Vanilla wafers: 300 grams
bananas: 5
Heavy cream: 240 milliliters
Powdered Sugar: 30 grams(Optional)