
I think I’ve determined that the perfect picnic dessert is a bar cookie. Usually quick and easy to prepare, they slice up into conveniently-square-shaped bars that fit nicely into packing containers, plus they are generally sturdy and don’t need refrigeration, plates, or forks. So when I had a picnic to attend recently, I eyed my stash of frozen rhubarb and decided to make strawberry-rhubarb bars to bring along!
I admit that I made a few tweaks (both intentional and unintentional) to the recipe I found online, but I think they worked out just fine.
Like many of the recipe reviewers, I doubled the recipe and par-baked the crust for 10 minutes just to ensure that the bottoms of the bars were firm and sliceable– those were the intentional changes. Unintentionally, however, I put in 2 tablespoons of cornstarch instead of 2 teaspoons, which I worried would make the filling too chewy but which turned out fine. The bars held together well even when not refrigerated, and were really delicious.
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