Slow Cooker Beef Vegetable Soup

ground beef

onion (chopped)

beef broth

vegetable/tomato juice (click here or store bought works fine)

medium potatoes (diced (you can peel them if you prefer, but leaving the skin on is good too))

frozen (or canned green beans)

frozen (or canned corn)

frozen peas

carrots (sliced)

salt and pepper (to taste)