If I hadn’t baked this and didn’t know what it was called, Blueberry “Boy Bait” would be the last name I would associate with it. First of all, it is no looker right out of the oven. Second, it seems hearty at best, a cake only a mother could love.  However, take one bite and you will kind of get why this blueberry coffee cake is a winner. It placed second in the 1954 Pillsbury Recipe and Baking Contest (the precursor to Pillsbury Bake-Off). Renny Powell, a fifteen year-old girl, created this recipe and...