Instructions

• Cream butter and sugar, add egg yolks, one at a time.  Beat well.
• Dissolve soda in buttermilk, add to creamed mixture  alternatively with flour, beginning and ending with flour
• Stir in mashed bananas and walnuts
• Beat egg whites until stiff peaks form, fold into batter; spread onto a 13×9 baking pan lined with parchment paper.
• Bake at 350F for 30 minutes.  Cool on a wire rack.

For caramel frosting combine all ingredients in a saucepan, cook over medium heat, stirring frequently until mixture reaches 240F.  Remove from heat and beat until spreading consistency.  Spread immediately on a cooled cake.