View source for Best Ever Banana Cake With Cream Cheese Frosting

===Ingredients===
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*1 1/2 cups bananas, mashed, ripe
*2 teaspoons lemon juice
*3 cups flour
*1 1/2 teaspoons baking soda
*1/4 teaspoon salt
*3/4 cup butter, softened
*2 1/8 cups sugar
*3 large eggs
*2 teaspoons vanilla
*1 1/2 cups buttermilk
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===Frosting===
*1/2 cup butter, softened
*1 (8 ounce) package cream cheese, softened
*1 teaspoon vanilla
*3 1/2 cups icing sugar
===Garnish===
*chopped walnuts
===Directions:===
#Preheat oven to 130 C.
#Grease and flour a 9 x 13 pan.
#In a small bowl, mix mashed banana with the lemon juice; set aside.
#In a medium bowl, mix flour, baking soda and salt; set aside.
#In a large bowl, cream 3/4 cup butter and 2 1/8 cups sugar until light and fluffy.
#Beat in eggs, one at a time, then stir in 2 tsp vanilla.
#Beat in the flour mixture alternately with the buttermilk.
#Stir in banana mixture.
#Pour batter into prepared pan and bake in preheated oven for one hour or until toothpick inserted in center comes out clean.
#Remove from oven and place directly into the freezer for 45 minutes.
#This will make the cake very moist.
#For the frosting, cream the butter and cream cheese until smooth.
#Beat in 1 teaspoon vanilla.
#Add icing sugar and beat on low speed until combined, then on high speed until frosting is smooth.
#Spread on cooled cake.
#Sprinkle chopped walnuts over top of the frosting, if desired.