2 (15 ounce) cans black beans, rinsed and drained
2 tomatoes, finely chopped
3 serrano chile peppers, seeded and chopped
1 red bell pepper, seeded and chopped
1/4 cup white wine vinegar
2 tablespoons vegetable oil
1/2 teaspoon salt
In a medium serving bowl, mix together the black beans, tomatoes, chilies, bell pepper, vinegar, oil and salt. Chill for 1 hour before serving.