Banana Cake

Cake:

• 1 ½ cups mashed bananas
• 2 teaspoons lemon juice
• 3 cups all-purpose flour
• 1 ½ teaspoons baking soda
• ¼ teaspoon salt
• 2 ⅛ cups white sugar
• ¾ cup butter
• 3 eggs
• 2 teaspoons vanilla extract
• 1 ½ cups buttermilk

Frosting:

• ½ cup butter, softened
• 1 (8 ounce) package cream cheese, softened
• 1 teaspoon vanilla extract
• 3 ½ cups confectioners’ sugar