Clean, wash and cut the cabbage into florets. Cook in boiling salted water for about 5 minutes until al dente, drain and drain. Wash parsley and shake dry. Chop the leaves.
For the sauce, peel and finely dice the shallots. Heat 2 tablespoons of butter. Steam shallots until translucent. Stir in honey, caramelise slightly. Dust with flour and sauté briefly. Gradually stir in the stock.
Add lime juice. Simmer the sauce briefly. Stir in crème fraiche and mustard cream. Season with salt and pepper, keep warm.
Wash the thyme and shake dry. Rinse fish fillets cold and dab dry. Season with salt and pepper. Heat oil in a pan. Fry the fish for 2-3 minutes on each side. After about 4 minutes add thyme and fry.
Heat 2 tablespoons of butter in a frying pan. Swivel the cabbage florets in it and heat up. Season with salt and nutmeg. Add parsley. Arrange fish with cabbage florets and sauce. Duchess potatoes taste good with it.