This rhubarb crisp recipe is special for two reasons. First, it’s a variation on our classic Apple Crisp recipe, a time-tested crisp that’s both foolproof and beloved. Second, we omitted rhubarb’s usual companions (we’re looking at you, strawberries) and added some sugar for sweetness, so the signature tang of this stalky vegetable really shines through. Topped with a layer of buttery oatmeal streusel and baked until bubbly, this recipe delivers rhubarb crisp