In mixing bowl, whisk together the all-purpose flour, corn starch, baking soda, baking powder and sea salt. Set aside.
6.34 oz all-purpose flour, 1.06 oz corn starch, 1 tsp baking soda, 1/4 tsp baking powder, 1/2 tsp sea salt
Cut the banana peels into 1 inch | 2.5 cm pieces and place them in a small saucepan with 1 cup of water (8 oz | 228 g). Bring to a boil over medium-high heat, then reduce the heat and simmer for 10 minutes. Remove the pan from the heat and allow the mixture to cool slightly, then strain the banana peels, reserving 1/4 cup (2 oz | 58 g) of the cooking water.
2 organic banana peels
Transfer the peels and the 1/4 cup (2 oz | 58 g) of cooking water to a mini food processor. Add the buttermilk and the egg yolks. Mix until completely smooth.
4.23 oz buttermilk, 2 egg yolks
In separate mixing bowl, cream the softened butter together with the granulated sugaring vanilla bean paste until light and fluffy for about 3 minutes. Mix in the banana peel mixture. Fold it into the dry ingredient.
4 oz butter, 7.05 oz granulated sugar, 1 tsp vanilla bean paste
Put the egg whites in another bowl and whisk until soft peaks form. NOTE: If using an electric mixer, start slowly and gradually increase speed to medium-high. You’re done when you pull out the beater and a soft peak is formed, but immediately collapses.
2 egg whites
Gently fold the egg whites into the banana peel batter.
Pour it into the 6-Loaf Tray (You will only fill 3/4 of 3 wells).