Creamy Tomato Tortellini Soup

Bahan-bahan (6 porsi)

• 2 tablespoons olive oil
• 1 onion (finely chopped)
• 4 cloves garlic ( minced)
• 28 ounces diced tomatoes (or 6 fresh vine-ripened tomatoes, chopped)
• 2 teaspoons Italian dried herbs (or seasoning)
• 1/2 -1 teaspoon red chili flakes (adjust to suit your taste, optional)
• 4 cups chicken stock
• 28 oz passata
• 3 tablespoons tomato paste
• 1 cup heavy cream ( or half-and-half)
• 1 pinch salt (to taste)
• 1 pinch pepper (to taste)
• 2 packet cheese tortellini (I use dried not fresh; choose any flavour you like)
• 1/2 cup parmesan cheese (shredded)
• 4 cups baby spinach leaves (washed and dried)
• 1/4 cup fresh basil (roughly torn or chopped)