Yep, the whole banana, peel and all. This version is also insanely better than regular banana bread—denser and moister. This recipe is adapted with permission from Cook More, Waste Less: Zero-Waste Recipes to Use Up Groceries, Tackle Food Scraps, and Transform Leftovers, by Christine Tizzard (Appetite by Random House, 2021)
Food 911: Apple slices can keep your baked goods and breads moist. Just cozy up a few slices in a sealed container with any extra baked goods you have to prevent them from going stale too quickly.