To crumb the chicken
Mix the sunflower seeds, breadcrumbs and linseed in a shallow dish. Beat the egg in a deep bowl and empty the flour into a shallow dish. Coat the chicken with mustard, season. Toss the chicken in the flour, shake off the excess, dip in the egg and then in the seed mixture, press firmly on the crumb coating.
Cook the potatoes in boiling salted water for approx. 10 mins. Add the beans, cook both for approx. 10 mins. until soft, add the peas for the final 2 mins., drain the vegetables, mix with the oil, cheese and parsley, season with salt.
Heat the clarified butter in a non-stick frying pan. Reduce the heat, fry the chicken in batches over a medium heat for approx. 4 mins. on each side. Serve the chicken with the vegetables.