Black Bean Salad (jamaican)

Ingredients

• 12 ounce dried black beans, cooked until tender or 4 16-ounces cans
• black beans, drained, rinsed
• 3 or 4 ripe tomatoes, peeled, seeded, chopped
• 1 red or green bell pepper, chopped
• 1 sweet Spanish onion, finely chopped
• 1/4 cup sherry vinegar or red wine vinegar or lime juice
• 3/4 cup olive oil
• 1 tablespoon cumin
• salt
• pepper
• fresh lime juice to taste