Buckle - "a cake made with fruit (typically blueberries) and having a streusel topping."
I'd never heard of a buckle before. Now I've got one. The New York Times recipe section is a frequent inspiration. They know me and this popped up the other day. I'm especially fond of food for which I already have the ingredients and even more so if they use up some of my 27 pounds of all purpose flour. And this is delicious:
It is not too sweet but that can be fixed, I think, with some Vanilla Bean Ice Cream.