These bars are incredibly simple to make with three components that are really more like two. Reserve some of the cinnamon-spiced oatmeal crust mixture, add nuts, and the crumble topping is done. The crust, which is par-baked before adding the final two layers, reminded me of this strawberry mascarpone tart, and that's never a bad thing.
The filling is a mixture of fresh blueberries, blueberry preserves and a little flour and lemon peel. I'm hoping to make my own blueberry preserves this summer, but I haven't yet, so I chose a jar at the market that boasted whole wild berries and the fewest ingredients. By adding the grated lemon peel and not too much sweetness, the filling is perfectly tangy.
(Images: Joanna Miller)