Which of the following solutions is better for the following goal:
To ripen bananas for cooking.
Cook the bananas you need for your recipe in a 300F oven for 30 to 40 minutes. Be sure to line the pan with parchment paper or foil as some bananas may leak when cooking. Once the bananas are black and soft, remove them from the oven and let them cool for 20 to 30 minutes.