I added chopped pecans with the topping and it was a great delicious treat for breakfast!
Excellent cake! I was admittedly a bit worried when I was pouring it into the pan, as it seemed a little thin. I'd added 1 1/2 cups of frozen blueberries (tossed in a bit of flour to prevent sinking), and had added the 1/3 separated crumb mix on top, as instructed, but after 30 minutes, it wasn't anywhere near set. After a total bake time of 60 minutes at 350, and it came out beautiful! I'll make this one again. Made for PAC Spring '09.