
preheat over to 350°
smash the three very ripe bananas with back of fork, add to a medium bowl
add sugar and egg, stir until just combined
add vanilla and baking soda, stir until combined
add the butter (be sure it has cooled) and stir
use excess butter left in the bowl you melted it in to grease your loaf pan
slowly combine the flour into the banana mixture, do not over stir
pour into your greased loaf pan and sprinkle 1 tsp of sugar across the top
bake for 35-40 minutes (when a tooth pick comes out clean)