Black beans take on classic Chinese flavors well. If you come across black soybeans, snap ’em up, but ordinary black turtle beans are just fine. Here a quick marinade makes them salty, sweet, sour, and hot all at once. A toss with stir-fried bok choy is all it takes to make a meal.

Makes: 4 servings
Time: 15 minutes

Ingredients

• 4 cups cooked or canned black…