In a large bowl, combine the beans, corn, onion, and bell pepper.
In a small bowl, whisk together the olive oil, vinegar, honey, mustard, garlic powder, oregano, salt, and pepper. Pour over the bean mixture and toss to combine.
Chill for at least 30 minutes before serving.
Interesting Facts
This three bean salad is a great source of protein and fiber.
The vinaigrette adds a tangy flavor to this salad.
You can substitute any type of bean for the black beans, red kidney beans, and chickpeas.