banana, maple cake (with a hint of coffee)

Ingredients

• 2 cups all purpose flour
• 1 1/3 cups sugar
• 1 teaspoon salt
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 2 teaspoons instant coffee powder
• 1 teaspoon maple extract
• 1/2 cup shortening
• 1 cup milk
• 2 - eggs
• 1 medium banana, cut in half
• 1/2 cup chopped walnuts (optional) for topping
• FROSTING
• 1/2 - banana
• 1/4 cup butter, softened
• 1 teaspoon lemon juice
• 2 cups confectioners' sugar