Nanny's Vegetable Beef Soup

1 lb ground beef
2 quarts water
1 (14.5 ounce) can diced tomatoes
1 onion, chopped
4 potatoes, peeled and cubed
1 (16 ounce) package frozen mixed vegetables (or leftovers)
8 cubes beef bouillon, crumbled
1/2 teaspoon ground black pepper
1 cup macaroni noodles


In a large pot over medium heat, cook beef until brown; drain.
Add water, tomatoes, onion, potatoes, mixed vegetables, bouillon and pepper. Bring to a boil, then reduce heat and simmer 45 minutes. Add macaroni noodles and simmer another 10-15 minutes.