Ginger-Plum Barbecue Sauce

Here’s a contemporary Asian barbecue sauce, made with tangy sweet plums, that is delicious on duck, pork, and ribs. The recipe was inspired by Romy Dorotan, chef-owner of the restaurant Cendrillon in New York City, and it far surpasses the sugary bottled plum sauces from China. To pit a plum, cut it around its circumference all the way to the stone, then separate the halves by twisting them in opposite directio