Rinse and drain the chickpeas. Clean spring onion and cut diagonally into slices. Cut beetroot into strips. Dab beefsteak dry and cut into strips. Cut onion into small cubes.
Mix 1 teaspoon of oil, vinegar and 1 tablespoon of water, season to taste with salt and pepper. Wash the chive stalks, cut into small rolls and add to the vinaigrette. Mix horseradish and beetroot with the vinaigrette.
Heat 1 teaspoon of oil in a coated pan, fry the meat in it, season with salt and pepper and remove. Brown the spring onion and chickpeas in the pan, add the stock, bring to the boil.
Stir starch with a little water until smooth, thicken sauce with it. Bring to the boil again. Add meat to the sauce and reheat. Pour beetroot salad into a bowl. Arrange shredded meat on a plate and garnish with chives.