Preheat oven to 325
Grease and flour the loaf pan
In a medium sized bowl, mash bananas and add lemon juice. Then set aside
In a large bowl, whisk together your flour, baking soda, baking powder, cinnamon and salt
In a medium bowl, cream together butter and sugar
Beat eggs until combined then fold in the bananas
Add vanilla extract and buttermilk. Mixed until combined. Then add dry mixture to wet mixture
Pour batter in loaf pan.
Bake for 45 mins. Cooking time may vary. Toothpick inserted should come out clean and bread should be golden on the outside
Brush the top with butter and enjoy.