This corned beef and cabbage chowder is a fabulous creamy soup your family will love. It makes use of a complete corned beef dinner, including carrots, potatoes, and cabbage. Cream of potato soup and some milk or cream make an easy preparation while giving it rich creaminess. This easy crock pot soup is an excellent way to enjoy your corned beef dinner leftovers, and it's so quick to put together. Serve the chowder with hot baked rolls or biscuits for a great family meal. The chowder is versatile as well. Leftover roast beef, lamb, or pork dinner will work, too. For vegetables, rutabaga, whole kernel corn, and parsnips are just a few good possibilities.