"Pickled rhubarb is sweet, spicy, and simply put: bracing. It's a pickle-lover's pickle. A bit can likely cause the weak-willed to suck air in through their teeth after a bite and grip the table. But the flavor, the sweetness, the sour air, the tart slap, and with a spice with enough bite that it leaves marks like a bad (or good) kisser. If you have leftover vinegar after using the pickled rhubarb, reserve it for vinaigrette, cocktails, or whatever else you think needs a tart, astringent sock in the eye...."