Peel beetroot and carrots. Cut beetroot into slices. Halve carrots lengthwise and cut into slices. Peel and slice the onion. Sort out spinach, wash and shake dry.
Heat 1 tablespoon of oil in a large frying pan and fry the beetroot in it for about 10 minutes, turning. After about 5 minutes add carrots and onions. Season with salt and pepper. Deglaze with orange juice, bring to the boil and simmer for about 5 minutes.
Add the spinach and let it briefly collapse in the pan. Season to taste with salt, pepper, sugar and vinegar.
Roast the kernel mix in a pan while turning. Wash the thyme, shake dry, remove leaves from the stems and chop lightly. Mix breadcrumbs and thyme. Turn the cheese taler briefly in it. Heat 1 tablespoon of oil in a frying pan and fry the cheese in it for about 2 minutes while turning.
Arrange salad and thalers and sprinkle with core mix.