01 -
Preheat the oven to 135°C. Grease and flour a 23 x 33 cm rectangular baking pan.
02 -
Combine the mashed bananas with lemon juice in a small bowl and set aside.
03 -
In a medium bowl, whisk together flour, baking soda, and salt. Reserve for later use.
04 -
In a large mixing bowl, beat 3/4 cup softened butter with granulated sugar until pale and fluffy.
05 -
Add eggs one at a time, mixing well after each addition. Stir in 2 teaspoons vanilla extract.
06 -
Alternately add the dry ingredients and buttermilk to the egg mixture, mixing just until combined. Gently fold in the banana mixture.
07 -
Transfer batter to the prepared pan and smooth the surface. Bake for about 60 minutes or until a toothpick inserted in the centre emerges clean.
08 -
Remove the cake from the oven and immediately place the pan in the freezer for 45 minutes to retain maximum moisture.
09 -
In a bowl, beat 1/2 cup softened butter with cream cheese until smooth. Add 1 teaspoon vanilla, then incorporate icing sugar, first on low, then on high speed until the frosting is creamy.
10 -
Spread frosting over the cooled cake. Garnish with chopped walnuts or decorative hearts if desired.