01 -
Preheat your oven to 275°F (135°C). Grease and flour a 9 x 13-inch pan.
02 -
In a small bowl, mix mashed bananas with lemon juice and set aside.
03 -
In a medium bowl, combine flour, baking soda, and salt. Set aside.
04 -
In a large bowl, cream 3/4 cup butter and 2 1/8 cups sugar until light and fluffy.
05 -
Beat in the eggs, one at a time, then stir in 2 teaspoons of vanilla.
06 -
Beat in the flour mixture alternately with the buttermilk. Stir in the banana mixture.
07 -
Pour the batter into the prepared pan and bake in the preheated oven for one hour or until a toothpick inserted into the center comes out clean.
08 -
Remove the cake from the oven and place it directly into the freezer for 45 minutes to ensure it stays very moist.
09 -
For the frosting, cream the butter and cream cheese until smooth. Beat in 1 teaspoon vanilla. Add the icing sugar and beat on low speed until combined, then on high speed until the frosting is smooth.
10 -
Spread the frosting on the cooled cake.
11 -
Sprinkle chopped walnuts or decorative hearts over the top of the frosting, if desired.