Everyone needs a delicious coffee cake recipe in their repertoire, and this cinnamon streusel coffee cake recipe is the perfect option. Meaning "something strewn" in Old German, streusel is easy to throw together -- and then to throw on top of this sour-cream coffee cake. The sweet glaze in the recipe is the perfect coffee cake topping.
New York Crumb Cake is quite a popular item at Foster's Markets in the Raleigh-Durham area of North Carolina. Owner Sara Foster estimates that her shops sell three to four pounds of crumb cake every day, mostly to transplanted New Yorkers.
Tossing the blueberries with a bit of flour keeps them from sinking during baking. When making streusel, squeeze the mixture into large crumbs so it forms a crisp topping as it bakes instead of melting into the batter.