Banana Pudding Cake

Ingredients:

For the Cake:
  • 2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3 ripe bananas, mashed
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup buttermilk
For the Pudding Filling:
  • 1/2 cup granulated sugar
  • 3 tablespoons cornstarch
  • 1/4 teaspoon salt
  • 2 cups whole milk
  • 4 large egg yolks
  • 2 tablespoons unsalted butter
  • 1 teaspoon vanilla extract
For the Topping:
  • 2 cups heavy cream
  • 1/4 cup powdered sugar
  • Sliced bananas and vanilla wafers for garnish