When considering a sandwich, just wrap your desired meal in a leafy green. Tuna fish salad on a romaine wrap. It's quick, easy, healthy and delicious! Great Gluten Free Veggie "Sandwich" with Hummus or with Guacamole! 12-16 collard greens stemmed 1 cucumber, cut into thin strips 1 red bell pepper, cut into thin strips 1/2 medium jicama, cut into thin strips 1/2 cup hearts of palm, cut into strips and patted dry 1 small carrot, peeled and cut into thin strips 1 ripe avocado sl