To a large skillet over medium heat on the stove add the ground beef, break the ground beef up and cook it through. Remove any grease in the pan.
Peel and cut the potatoes into bite sized pieces.
Spray a slow cooker with non-stick spray, add in the cooked ground beef, potatoes, diced tomatoes, kidney beans, cream of mushroom, minced garlic, onion, and seasonings stir well cook on low for 6 hours OR high for 4-5 hours.