Cannellini beans and swiss chard combine in this healthy and simple white bean soup recipe. It's low-fat, vegetarian and vegan, and the swiss chard makes it very nourishing. It can also be made gluten-free by substituting gluten-free pasta or orzo. Be sure to check that the vegetable broth is also gluten-free as some spices have an anti-bonding agent that contains gluten. If you want to make your own homemade vegetable broth, don't throw out those swiss chard stems Chard makes a great addition to any broth or homemade soup, just add them to the pot of your next recipe.