Begin by preheating your oven to 350°F. Lightly grease an 8" or 9" bread pan with olive oil or non-stick spray.
In a small bowl, whisk the whole wheat flour, coconut sugar, pink salt, baking soda, and baking powder.
In a separate, medium-sized bowl, mash the bananas until smooth. Whisk in the eggs, Greek yogurt, olive oil, and vanilla extract.
Gently fold the dry ingredients into the wet mixture. Stir until just combined to avoid overworking the batter, which can lead to a denser bread.
Pour the batter into the prepared pan. For an extra touch of charm, add a few banana slices on top. Slide into the oven and bake for 45-55 minutes, or until a toothpick inserted into the center comes out clean and top is golden.
Allow the bread to cool in the pan for about 15 minutes. Then, transfer it to a wire rack to cool completely.