This banana ice cream recipe is appealing because it's so easy – just mix and freeze! You can enjoy two flavors, cocoa and kinako (roasted soybean flour), using bananas as the base in a zip-top bag. It's perfect for those who aren't confident in their cooking skills or are short on time, as it's made simply by putting the ingredients in a bag, crushing them, flattening the bag, and freezing. It's a healthy dessert that makes the most of the natural sweetness of bananas, and you can adjust the sweetness to your liking. It's an easy sweet treat that's perfect for a summer snack or even while dieting.