If your bananas aren't quite spotty you can follow these tips:u003cbr/u003e-u003cstrongu003eu003cemu003e1-2 days until bakingu003c/emu003eu003c/strongu003e: pop them in a paper bag and store in a dark place.u003cbr/u003e-u003cstrongu003eu003cemu003e20 minutes until bakingu003c/emu003eu003c/strongu003e: place in the oven at 300 (unpeeled) for 15-20 minutes.u003cbr/u003e-u003cstrongu003eu003cemu003eNo time until bakingu003c/emu003eu003c/strongu003e: pop a peeled banana in the microwave for 30 seconds until softened.u003cbr/u003e-NOTE: Your muffins might not be as sweet if you quickly ripen your bananas using these tips. Throughout the ripening process bananas get sweeter.