Banana Pudding

36 vanilla wafers 3 medium ripe bananas 1 (18 1/4 ounce) package yellow cake mix 1/2 cup vegetable oil 1/4 cup milk 3 large eggs , at room temperature 1[...]

1 cup cream 2 cups half-and-half 3 egg yolks 3/4 cup sugar 1 teaspoon vanilla extract 2 bananas , sliced 1 banana , sliced, for garnish (optional) 1 pinch[...]