Easy One-Bowl Coffee Cake 8:37 Whole wheat flour gives the crumb topping a subtle graham flavor. A generous tablespoon of cinnamon lets the streusel shine, while a touch of cardamom adds warmth and pairs perfectly with coffee. Strained Greek yogurt creates a lighter crumb than sour cream while keeping the same tangy flavor. Lining the pan with parchment and allowing the cake to cool at least 30 minutes makes it easy to serve. Coffee cake is a thing of beauty, with big boulders of brown sugar and cinnamon strewn over a thick sheet of buttery vanilla cake, just sweet enough to offset a steaming mug of black coffee. There's no need to wait around for the end of a meal; this is a treat best served for breakfast or an afternoon snack. It's basically day drinking, but for cake, and I am 100% all about it.…