This easy banana mug cake recipe cooks in the microwave in just 90 seconds. Made with ripe banana, this is like banana bread in a mug. Banana mug cake is perfect when it comes to simplicity and flavor. If you have overripe bananas sitting on your kitchen counter, a microwave-safe mug, and a handful of ingredients, you're just minutes away from a perfect single-serving dessert. Also a great recipe for when the kids cook.
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