After the meat is cooked, add the remaining tablespoon of oil to the pan along with the onion, carrots, and celery. Cook until the vegetables begin to soften, about 5 minutes. Add the garlic and cook for an additional 30 seconds to 1 minute.
1 tablespoon cooking oil, 1 white onion, 2 carrots, 1 celery stalk, 1 garlic cloves
Pour in the broth, diced tomatoes, Italian seasoning, thyme, and return the meat back to the pan. Cook over a low simmer for 45 minutes to 1 hour.
8 cups beef broth, 15 ounces diced tomatoes, 2 teaspoons Italian seasoning, ½ teaspoon thyme
Add the potatoes, and cook for an additional 15-20 minutes, or until the potatoes are fork tender. The stew meat should also be cooked through and tender.
1 pound russet potatoes
Add the frozen mixed vegetables, and cook for another 2-3 minutes. Serve hot!
12 ounces mixed vegetables
See post for storage options.