Preheat oven to 350 degrees Fahrenheit. Grease a loaf pan with nonstick cooking spray.
In a large bowl, combine the honey, mashed banana, and melted coconut oil. Stir until emulsified.
Add the eggs, one at a time, mixing well after each addition.
Add the all-purpose flour, baking powder, baking soda, kosher salt, and cinnamon to the batter. Mix well until incorporated.
Pour the batter into the greased loaf pan. Bake until the inside is cooked and a toothpick comes out clean, around 50 minutes.
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Notes
Note: To make this recipe gluten-free, swap the all-purpose flour with Bob's Red Mill's 1 to 1 gluten free baking flour. It's in a blue bag and you can find it at Target or on Amazon.