Cook the unripe spelt grain in 1/2 litre vegetable stock for 30-40 minutes, cover and let it swell in the stock until you are ready to serve. In the meantime, wash the tomatoes, cut them crosswise, blanch hot and peel the skin.
Clean and wash the carrots, celery and spring onions. Peel the onions. Cut vegetables and onions into cubes of about 1 cm. Peel garlic and chop finely. Heat oil in a pot, fry onions until translucent, add garlic.
Add vegetables, fill up with remaining vegetable stock and cook for 15-20 minutes. Grate cheese finely. Wash basil, dab dry and chop. Drain green spelt, add to the soup and season with pepper.
Arrange in deep plates. Serve sprinkled with grated cheese and basil.