OnePot Slow Cooker Wonders Sunday Roast Stew Easy Peasy

Ingredients

• 3 lbs (1.36 kg) beef chuck roast
• 2 tablespoons (30 ml) olive oil
• 1 teaspoon (5 g) sea salt
• ½ teaspoon (2.5 g) black pepper
• 1 large yellow onion, chopped (approx. 200g)
• 3 carrots, peeled and chopped (approx. 200g)
• 3 celery stalks, chopped (approx. 150g)
• 4 medium potatoes, peeled and cubed (approx. 600g)
• 2 parsnips, peeled and chopped (approx. 200g)
• 2 cloves garlic, minced
• 1 tablespoon (15 ml) tomato paste
• 4 cups (950 ml) beef broth (low sodium)
• 1 cup (240 ml) dry red wine (like a Cabernet Sauvignon or Merlot)
• 2 tablespoons (30 ml) Worcestershire sauce
• 1 teaspoon dried thyme
• 1 bay leaf
• 2 tablespoons (30 g) cornstarch (optional)
• 2 tablespoons (30 ml) cold water (optional)
• Fresh parsley, chopped