Rhubarb Fool

Fools are old-fashioned desserts of cooked fruit stirred into whipped cream. They shouldn’t be too sweet, to let the flavor of the fruit shine through. The sharp and tangy flavor of rhubarb is the perfect complement to the fluffy cream, and the pinkish-green streaks are beautiful, so be careful not to overcook the rhubarb into blandness or mush. Orange zest and juice really brighten the flavor. Let the rhubarb cool completely before swirling it in, and be sure to leave pinky-green streaks o