Preheat oven to 350 degrees F. Line two 6” cake pans with parchment and lightly grease the sides.
Whisk together flour, baking soda, baking powder, and salt. Set aside.
In the bowl of a stand mixer, cream together butter, honey, sugar, and brown sugar until well combined. Add the eggs one at a time. Add the mashed bananas.
Alternate adding the flour mixture and whole milk. Start with the flour and end with the flour. Mix until just combined.
Divide the batter evenly between the two prepared cake pans.
Bake for 30-45 minutes until toothpick inserted in the center comes clean. Let cool in pan for a couple minutes before unmolding and transferring to cooling rack. Let cool to room temperature before slicing layers.