Black Bean and Cucumber Salad

Ingredients

 * 1 can black beans (drained and rinsed)
 * 1 large cucumber (peeled and diced)
 * 1 tomato (diced)
 * ½ green pepper (diced)
 * 1 stalk celery (chopped)
 * ½ small red onion (chopped)
 * ⅛ cup olive oil
 * ⅛ cup balsamic vinegar
 * salt and pepper

Directions

 * 1) Mix all ingredients in a medium size bowl.
 * 2) Cover and refrigerate for at least one hour