First, wash and cut up the potatoes into even size pieces (about 1 inch).
Place the beef stew meat, diced potatoes, and frozen mixed vegetables into the slow cooker.
Add the condensed tomato soup to the slow cooker and mix all the ingredients well together.
Cook on low for 7 to 8 hours, or until the beef and potatoes are fork-tender.
Serve hot, stirring stew well before serving from a slow cooker.
*Nutritional information is a calculated guesstimate. Please note that this can change with different brands and modifications you may make to the recipe. For the most accurate information, use a nutritional calculator with the exact brands and measurements you're using with each recipe.