Banana Walnut Cake

Ripe bananas can be cloying, but they’re great for baking. In this recipe the fruit is paired with quinoa flour and walnuts to temper its sweetness. This is a homey cake, with a humble, old-fashioned quality that makes it a hit at school bake sales—or just around the kitchen, where I often find myself standing at the stove, slicing off wedges to have with a cup of tea.