Fluffy
Decadent
Perfectly Sweet
In a separate bowl, whisk flours, baking powder, cinnamon, and sea salt. Slowly fold the mixture into the bowl of bananas.
Mix all the filling ingredients in a small bowl until incorporated. Set aside.
Line a loaf pan with parchment paper and pour 1/4 of the batter into the pan. Sprinkle filling on top. Repeat 2 more times. Use a thin knife to swirl batter. Bake.