Crush the corn flakes and cashew nuts in a mortar. Add the spices.
Turn the schnitzel first in the egg and then in the breading and fry in hot oil until crispy.
Peel the potatoes, cut into small cubes, dab with a kitchen towel and sprinkle with flour. Roast the potato cubes in a pan with clarified butter until crispy.
For the sauce, halve the grapes and glaze them in butter. Sweat with flour and deglaze with the wine. Add the cream, bring to the boil briefly and season with the spices.
Arrange the schnitzel and potatoes together on a plate and serve with the sauce.