Wikipedia, you'll see a photo that I took in my own backyard-- and that was **ahem**
To me, olallieberries taste like a cross between a blackberry, with a bit of tartness from a boysenberry, with a hint of raspberry. Their season is very short-- starting around June 1st and lasting only a few weeks.
Olallieberry jam, which my husband enjoys all year round. I also bake him, at least, one Olallieberry Pie. This makes him a very happy husband, and he deserves it.
Since our Olallieberry bush wasn't quite ready to present ripe berries to us, I thawed the last of the frozen ones (from last year) and macerated them with a little sugar-- only because when I tasted the berries, they made me pucker just a bit. I used only a generous tablespoon of sugar, and let the berries macerate for a few minutes.
I melted one tablespoon of butter, tossed in the macerated berries...