Craving banana bread? Use this kitchen hack to turn your bananas from ripe to overripe in just 10 minutes. Place bananas, unpeeled, on a rimmed baking sheet. Bake in a preheated 350ºF for 5 to 7 minutes until they turn blackish-brown. Let them cool a few minutes. Then split open, scoop out, and you’re all ready to make your favorite banana bread recipe!