Vegetable Beef Soup

1 pound boneless stew beef or ground churck (you can also use leftover roast beef)
16 ounces frozen mixed veggies or 2 - 15 ounce cans mixed veggies
2 - 15 ounce cans diced tomatoes (with or without added spices)
1/2 cup ketchup
1 tbsp. worchestershire sauce
4 cups beef stock1 cup water
1 tbsp. minced onion
1 cup macaroni (uncooked, optional)
salt & pepper

In crockpot, combine tomatoes, ketchup, stock, seasonings and water. Stir well. Add meat and veggies. If using ground chuck, brown and drain before adding to crockpot. Cover and cook on low for 6-8 hours. Add macaroni during the last 30 minutes of cooking time.