Herbed Rice and Spicy Black Bean Salad

1 tablespoon chopped fresh basil

1 tablespoon chopped fresh thyme

1 tablespoon chopped fresh parsley

1 tablespoon chopped fresh cilantro

1/2 teaspoon salt

1/2 teaspoon ground black pepper

1/2 teaspoon cayenne pepper

1/4 teaspoon garlic powder

2 cups cold, cooked white rice

1 (14 ounce) can black beans, rinsed and drained

2 celery stalks, finely chopped

1 (4 ounce) can chopped black olives

3 green onions, chopped

1/4 cup red wine vinegar

1/4 cup extra-virgin olive oil

What You Need