For an extra kick, substitute 1 finely chopped poblano chile pepper for the green bell pepper, and add the ground red pepper.
4 servings (serving size: about 1 1/2 cups)
Cook barley according to package directions, omitting salt. Drain barley in a colander, and rinse with cold water until completely cooled.
Combine black beans, next 6 ingredients, and, if desired, cilantro and red pepper in a medium bowl. Add barley to black bean mixture; toss gently.