Texas Caviar (Bean Salad)

Ingredients

• 1 can (15 ounces) black beans, rinsed and drained
• 2 cans (15 ounces) black eyed peas, rinsed and drained
• 1 red bell pepper, finely chopped
• 4 stalks celery, finely chopped
• 1 small red onion, finely chopped
• 2 large tomatoes, chopped
• 1 bunch cilantro leaves, finely chopped (optional)
• 1/2 cup red wine vinegar
• 1/4 cup olive oil
• 1/4 cup granulated sugar