6 cups baby spinach, loosely packed
1 (15 ounce) can black beans, rinsed and drained
1 cup cooked brown rice or Mexican Rice, (recipe for Mexican Rice recipe)
1/2 cups chopped romaine heart lettuce
1/2 cup grated cheddar cheese, reduced-fat
1/2 cup salsa (recipe), optional Pico de Gallo
6 tablespoons Greek yogurt, fat-free
Kosher or sea salt to taste
6 (8" whole grain) wraps or tortillas