Kidney Beans, Cauliflower, Cherry Tomatoes and Sweet Pickled Onions Salad. This Kidney Beans, Cauliflower, Cherry Tomatoes, and Sweet Pickled Onions Salad is a delicious and healthy salad that is ideal for lunch or as a dinner side dish. It's flavorful and nutritious, and it's simple to make. #pickled onions, #kidney beans, #cherry tomatoes