Peel and finely dice the onion and garlic. Heat the fat in a saucepan. Sauté the onion and garlic cubes in it until transparent. Add rice and fry briefly. Add wine and 200 ml of the broth, bring to the boil, cover and cook over low heat for about 20 minutes.
When the liquid is absorbed, add 450 ml of stock gradually, stirring from time to time. Meanwhile wash meat, dab dry and cut into cubes. Heat 2 tablespoons of oil one after the other in a coated pan.
Brown the meat in all around in portions, take it out and put it into a bowl. Meanwhile wash and clean the cucumbers and peel them in strips. Cut the cucumbers in half lengthwise and scrape out the seeds with a teaspoon.
Cut the fruit flesh into slices. Heat 1 tablespoon of oil in a clean pan. Fry the cucumbers in it at medium heat for 4-5 minutes. Pour in 200 ml stock and simmer for about 3 minutes while turning. Fold in the meat, heat it up and season with salt and pepper.
Slice the parmesan and put something aside for sprinkling. Cut the cress from the bed, also put something aside for sprinkling. Fold the remaining parmesan, cress and horseradish into the risotto. Season to taste with salt and pepper.
Arrange risotto, cucumber and pork loin, sprinkle with cress and parmesan.