If orzo is out of your budget, or just not in the cupboard, you can use broken up spaghetti in its place. A grating of cheddar or some leftover roast chicken wouldn't be out of place in this ...
Why Does The Orzo Soak Up The Broth When Storing Leftover Soup? This soup will thicken on the second day. Expect to add a little water when reheating leftover soup the next day or defrosting ...