Put the string beans and frozen edamame
into a steamer basket and steam them for 4 minutes. Transfer the beans to a large bowl and put them into the refrigerator to cool for 15 minutes or longer.
In a small bowl whisk
together the oil, vinegar, apricot preserves, sugar
. Add the black beans
and scallions to the other beans, drizzle
, and toss to coat. Season with salt, to taste.