A photo of the back of a Bisquick box listed recipes for things like pancakes, biscuits and shortcake, but most memorably, a coffee cake that called for Bisquick in its batter and crumb topping.

These small, single-serve coffee cakes are perfect for when you don’t need a full cake. Bursting with blueberries and topped with a light crumb layer, they bake up quickly and store well. A great ...