– 1 tablespoon olive oil – 1 pound ground beef – 1 onion, diced – 1 stalk celery, diced – 2 cloves garlic, minced – 2 medium potatoes, peeled and diced – 5 cups beef broth – 15 ounce can diced tomatoes – 8 ounce can tomato sauce – 2 teaspoons Worcestershire sauce – 1 teaspoon Italian seasoning – Salt and pepper to taste – 3 cups of frozen mixed vegetables