Layered Banana Pudding
["1/3 c. all-purpose flour", "2/3 c. packed brown sugar", "2 c. milk", "2 egg yolks, beaten", "2 Tbsp. butter or margarine", "1 tsp. vanilla extract", "1 c. heavy cream, whipped", "4 to 6 firm bananas, sliced", "chopped walnuts (optional)"]
["In a medium saucepan, combine the flour and brown sugar.", "Stir in the milk; cook and stir over medium heat until thickened and bubbly.", "Cook and stir 1 minute more.", "Remove from the heat. Gradually stir about 1 cup hot mixture into egg yolks.", "Return all to the saucepan.", "Bring to a gentle boil; cook and stir for 2 minutes.", "Remove from the heat; stir in butter and vanilla.", "Cool to room temperature, stirring occasionally.", "Fold in the whipped cream."]
["all-purpose", "brown sugar", "milk", "egg yolks", "butter", "vanilla extract", "heavy cream", "bananas", "walnuts"]