Banana Pudding Cake

Bahan-bahan (16 porsi)

• 13.25 ounces vanilla cake mix (and ingredients as directed on box, 1 box)
• 2 boxes instant banana pudding mix (3.4 ounces each, 4 servings each)
• 4 cups milk
• ¼ cup powdered sugar
• 1 ½ cups heavy whipping cream
• 1 teaspoon vanilla extract
• 2 bananas (peeled and sliced)
• 2 cups crushed vanilla wafer cookies