Nutter Butter-Banana Pudding Trifle

3 cups milk 3 large eggs 3/4 cup sugar 1/3 cup all-purpose flour 2 tablespoons butter 2 teaspoons vanilla extract 5 medium-size ripe bananas 1 (1-lb.) package peanut butter sandwich cookies 2 cups sweetened whipped cream

Whisk together first 4 ingredients in a large saucepan over medium-low heat. Cook, whisking constantly, 15 to 20 minutes or until thickened. Remove from heat; stir in butter and vanilla until butter is melted.

Fill a large bowl with ice. Place saucepan in ice, and let stand, stirring occasionally, 30 minutes or until mixture is thoroughly chilled Meanwhile, cut bananas into 1/4-inch slices. Break cookies into thirds

Spoon half of pudding mixture into a 3-qt. bowl or pitcher. Top with bananas and cookies. Spoon remaining pudding mixture over bananas and cookies. Top with sweetened whipped cream. Cover and chill 2 to 24 hours. Garnish, if desired.