Place salad greens in a large bowl, and set aside.
Prepare polenta croutons, and set aside.
While croutons are baking, prepare the dressing. Click the link above for the recipe.
Toss the salad with desired amount of dressing, and refrigerate the remainder.
Garnish salad with crushed pistachios and/or pecans, top with polenta croutons, and serve immediately.