Easy Black Bean and Corn Salad

1/2 cup balsamic vinaigrette
1/4 teaspoon pepper
1/2 teaspoon dried cilantro
1/4 teaspoon ground cayenne pepper (or to taste)
1/4 teaspoon ground cumin
2 (15 ounce) cans black beans, rinsed and drained
2 (15 ounce) cans whole kernel corn, drained
1/2 cup chopped green onion
1/2 cup chopped onion
1/2 cup red bell pepper, chopped

In a small bowl, mix together vinaigrette, pepper, cilantro, cayenne pepper, and cumin. Set dressing aside.
In a large bowl, stir together beans, corn, onion, green onions, and red bell pepper.
Toss with dressing. Cover and refrigerate overnight or for several hours. Toss again before serving.