Peel, wash and halve the potatoes and cook in salted water for about 20 minutes. In the meantime clean and wash the broccoli and cut into small florets. Wash, clean and halve the cherry tomatoes. Peel and finely dice the shallots. Wash the celery and cut into fine cubes.
Wash the calf's kidney, dab dry and divide into "florets". Heat the oil in a pan and fry the pieces of calf's kidney all around. Add the tomatoes and fry. Season with salt and pepper. Remove kidneys and tomatoes and keep warm. Cook broccoli in salted water for about 6 minutes. Fry shallots and celery in hot fat. Deglaze with white wine. Add the sauce and warm it up (not boiling). Season with salt and pepper if necessary.
Cook broccoli in salted water for about 6 minutes. Fry shallots and celery in hot fat. Deglaze with white wine. Add the sauce and warm it up (not boiling). Season with salt and pepper if necessary. Add kidneys to the hot sauce. Arrange potatoes, broccoli, tomatoes and kidneys on plates
Nutritional values are calculated with mustard sauce from the Unical, as Lacroix does not provide values