Clean and wash the Brussels sprouts, cover them with a little salt water and steam them for 20 minutes
Peel onions and cut them into thin slices. Peel, quarter and core the apple. Cut into fine slices
Wash and dry steaks if necessary. Wrap 1 slice of bacon around each steak. Fry in hot oil at high heat for 1 minute on each side. Season with salt and pepper. Continue to fry for 2-4 minutes on each side at medium heat. Take the steaks out, keep warm
Fry the onions and apple in the frying fat while turning. Deglaze with white wine, stock and vinegar. Season with sugar, salt, pepper and rosemary. Let it boil down a little over high heat. Stir starch and 1 tbsp. water until smooth. Bind the chutney with it and let it simmer for a short time
Drain the sprouts, add butter and toss. Season with a little nutmeg. Serve everything. Garnish if necessary. Butter potatoes taste good with it.