Canyon Ranch Bean Salad

2 tbsp olive oil

1/2 tsp salt

3/4 tsp black pepper

1 large head romaine lettuce, chopped

1/2 cup diced cucumber

1/2 cup diced red bell pepper

1/4 cup diced yellow bell pepper

1/4 cup diced carrots

1/4 cup diced red onion

1/4 cup diced black pitted olives

3/4 tsp chopped fresh oregano

2 tsp chopped fresh basil

3/4 cup diced tomato

1 cup cooked white beans (home-cooked or canned, rinsed and drained)

1 cup cooked garbanzo beans (home-cooked or canned, rinsed and drained)

1/2 cup chopped hearts of palm