I’m not sure how or why grape became the default. For the longest time, I thought I didn’t like PB&J. But ever since trying it with strawberry instead, I understood the appeal. It’s so much better, and now I find it weird that the combination isn’t more common.
Strawberry jam, agreed. It doesn’t slither away like jelly. And if it’s a packed lunch, put a thin swipe of butter on the bread first to stop the jam from soaking through.