The Trader Joe’s brand chips were not quite as good as those, she said, but they were still a major upgrade from most pareve chips. “The kosher brands aren’t as high quality,” Blitzstein said.

Chef Hillary Sterling makes a blistered wood-oven-baked matzo with horseradish butter (swap in pareve margarine instead of unsalted butter if you wish). These crispy, golden brown, bubbly homemade ...