Banana poppy seed muffins with almond streusel topping

Last week I had a sudden urge to eat banana cake, but it was a busy Sunday and I would not have enough time to make the cake and then wait for it to cool. Stephanie Alexander's muffins, topped with Thomas Keller's streusel, turned out to be a delicious and very fast alternative to my cake cravings, and they turned out so tender I had to be super careful removing them from the pan, even with the