Ancient Grains Soup

Ancient Grains Soup from DK Publishing's Souping. This warming soup uses ancient grains and mixture of vegetables and is healthy and nutritious. It's easy enough to whip up on a weekday too, taking only 45 minutes to prepare and cook.
Introduction
The ancient grains amaranth, freekeh, and quinoa bring a robust texture and earthy flavour to this rich tomato soup. With a savoury mix of vegetables, it's nutritious and satisfying. Serve hot.
Ingredients
3/4 tbsp | olive oil |
75g (2 1/2oz) | onion, diced |
50g (1 3/4oz) | celery, diced |
75g (2 1/2oz) | carrot, peeled and diced |
2 tsp | garlic, crushed (about 2 cloves) |
400g | can chopped tomatoes |
60g (2oz) | amaranth, cooked |
45g (1 1/2oz) | freekeh, cooked |
45g (1 1/2oz) | quinoa, cooked |
400ml (14fl oz) | water |
1 tsp | parsley, chopped |
1/4 tsp | salt |
1/4 tsp | pepper |
Method
1. In a medium casserole, heat olive oil over medium heat for 2 minutes. Add onion, celery, carrot, and garlic, and cook until onion is translucent, about 5 minutes.
2. Add tomatoes (with juices), amaranth, freekeh, quinoa, and water. Increase heat and bring to the boil, and then reduce heat and simmer for 15 minutes. Remove from heat.
3. Transfer contents of pot to blender and add parsley. Purée until well combined. Season with salt and pepper.