Comforting cabbage in soup recipe: Grandma's Secret!

Ingredients

• 1 tablespoon olive oil (15 ml)
• 1 medium yellow onion, chopped (approx. 1 cup, 150g)
• 2 cloves garlic, minced (approx. 2 teaspoons, 6g)
• 2 carrots, peeled and diced (approx. 1 cup, 120g)
• 2 celery stalks, diced (approx. 1 cup, 100g)
• 8 cups vegetable broth (2 liters)
• 1 (28 ounce) can crushed tomatoes (approx. 800g)
• 1 medium head of green cabbage, cored and shredded (approx. 8 cups, 600g)
• 1 green bell pepper, seeded and chopped (approx. 1 cup, 150g)
• 1 teaspoon dried oregano (approx. 2g)
• 1 teaspoon dried basil (approx. 2g)
• 1/2 teaspoon dried thyme (approx. 1g)
• 1 bay leaf
• Salt
• freshly ground black pepper
• 1/2 cup chopped fresh parsley, for garnish (approx. 20g)