Beef-and-Vegetable Soup

Ingredients

• 1-1/2 pounds beef stew meat, cut into bite-size pieces
• 1 teaspoon kosher salt
• 1/2 teaspoon ground black pepper
• 1 tablespoon olive oil
• 1 medium yellow onion, chopped
• 2 medium carrots, chopped
• 2 medium celery stalks, chopped
• 2 tablespoons chopped fresh thyme
• 1 (14-ounce) can diced tomatoes
• 8 cups beef broth
• 3 small red potatoes, diced
• 3 cups frozen mixed vegetables
• 1/4 cup chopped fresh parsley