Banana Crumb Cake is a moist banana cake with a thick streusel topping. The story begins as the celebrities, granulated and light brown sugar, join forces with cake flour, buttermilk, eggs, and mashed bananas. Drama ensues as aluminum foil steals the show, reflecting heat to create a perfectly browned topping. The climax arrives when the cake is served with whipped cream, ice cream, or coffee. Suspense lingers as the cake must be stored properly or frozen for later enjoyment. Ultimately, the delicious treat is a hit with all who taste it.