3 creamy layered banana Recipes

pkge. yellow butter recipe cake mix, pkge. instant banana cream pudding, water, oil, mashed ripe banana, eggs, cream cheese frosting, creamy peanut butter

full-fat milk milk, half-and-half cream (or use 3 cups milk and 1 cup half and half), egg yolks, sugar, flour, banana extract (or use 1 tbsp vanilla), vanilla wafers (do not crush!), ripe bananas, sliced, frozen blueberries (divided into 1-1/2 cups), whipping cream , unwhipped, powdered sugar (or use cool whip frozen topping, thawed omitting the )