Preheat oven to 350°F (177°C). Line a 9-inch square baking pan with parchment paper with enough overhang on the sides to easily remove the bars from the pan. Set aside.

In a large bowl or in the bowl of your stand mixer, mash the bananas. On medium speed, beat or whisk in the remaining ingredients in the order listed. Batter will be a little thick, but still pourable.

Pour/spoon the mixture evenly into the prepared pan and bake for 25-28 minutes or until the center is set (it will still look relatively soft!).

Remove from the oven and cool in the pan at room temperature for 30-60 minutes. After that, place the pan in the refrigerator for 1 hour until chilled. The bars are difficult to cut if they haven’t been chilled.

Remove bars from the pan using the overhang on the sides then cut into bars. Sometimes I drizzle melted peanut butter over each, but that’s optional. (Note: the parchment paper is always a little moist from soaking up some moisture from the bars.)

Cover leftover bars tightly and store in the refrigerator for up to 10 days.