Southwestern Rice and Black Bean Salad

Description
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Ingredients

 * 2 cups cooked long-grain white or brown rice
 * 1 1/2 cups fresh cooked or canned drained corn kernels
 * 15-oz. can black beans, rinsed and drained
 * 4 scallions, chopped
 * 2 large tomatoes, diced
 * 1 medium cucumber, diced
 * 1 large jalapeño pepper, seeded and minced (optional)
 * 2 Tbs. vegetable oil
 * Juice of 2 limes
 * 2 Tbs. chopped fresh cilantro
 * 2 tsp. dried oregano
 * 1 tsp. ground cumin
 * 1/2 tsp. freshly ground pepper
 * 1/2 tsp. salt

Directions
In large bowl, combine all ingredients; mix gently but thoroughly. Cover and chill for at least 15 minutes to allow flavors to blend. (Can be prepared up to 2 days ahead. Bring to room temperature before serving.) Just before serving, fluff salad with fork.