We’ve all been there. It’s four in the evening, there’s a craving for something sweet, and the only things in the kitchen are a couple of very ripe bananas and a packet of oats. Well, that’s actually all you need. These two-ingredient oat cookies skip the flour, sugar and butter completely, take about five minutes to put together, and come out of the oven in under twenty. They’re soft, mildly sweet and just the sort of snack you can feel good about handing to the family with a cup of chai. Here’s how to make them, step by step.