• For the Cupcakes:
    • 1 box (18.25 oz) yellow cake mix
    • 1/2 cup milk
    • 1/4 cup vegetable oil
    • 3 large eggs
    • Cupcake liners
    • Muffin tin
  • For the Custard Filling:
    • 3 large egg yolks
    • 1/4 cup granulated sugar
    • 1/4 cup cornstarch
    • 1 1/2 cups milk
    • 1/4 teaspoon salt
    • 2 tablespoons unsalted butter, cut into pieces
    • 1 teaspoon pure vanilla extract
    • 2 medium ripe bananas, sliced
  • For the Whipped Cream Topping:
    • 1 cup heavy cream
    • 2 tablespoons powdered sugar
    • 1/2 teaspoon pure vanilla extract
  • For Garnishing:
    • Sliced bananas
    • Caramel sauce