Slow Cooker Meatball and Potato Stew Recipe Ingredients 1 1/2 to 2 pounds frozen fully cooked meatballs 2 pounds russet potatoes, peeled and cut into 1-inch cubes 1 (10.5-ounce) can condensed cream of mushroom soup 1 1/2 cups low-sodium beef broth 1 (1-ounce) packet dry onion soup mix Directions Lightly grease the inside of a 4- to 6-quart slow cooker with a bit of oil or nonstick spray to make cleanup easier. Add the cubed russet potatoes to the bottom of the slow cooker, spreading them into an