Peel the beetroot, cut into slices and cook in boiling broth at medium heat for 25-30 minutes. Season with salt and some sugar. Peel and quarter the apple and cut it into small cubes.
Peel and coarsely grate the horseradish. Wash the meat and dab dry. Fry in hot oil on both sides for 3-5 minutes. Season with salt and pepper. Remove meat from the pan. Sauté apple and horseradish in frying oil.
Stir in sour cream and bring to the boil. Stir in sauce thickener, bring to the boil again and season with lemon juice, salt, pepper and a pinch of sugar. Wash the dill, dab dry and chop. Sprinkle over the beetroot.
Arrange one cutlet each with some vegetables and sauce on a plate. Garnish with apple wedges and dill.