Mix the beans, olives and all the veggies together in a large bowl.
Whisk all salad dressing ingredients together and pour over veggies.
Add feta and toss to coat all the ingredients with the dressing and serve
To make salad ahead of time: Make the dressing and store in a salad shaker or glass jar in the fridge. Shake dressing mix well just before pouring over salad. Mix chopped cuccumber, onion, olives, bell pepper and beans ahead of time and store in an air tight container in the fridge until ready to serve. When ready to serve add chilled veggies over mixed salad greens, then add tomatoes, cheese and dressing. Tos to coat and servce.