Peel and finely dice the onion and garlic. Sauté garlic and 2/3 of the onion in 1 tsp. hot butter. Add undefrosted spinach and some water. Cover and defrost at low heat for about 15 minutes and heat
Wash and dry the lemon. Grate the peel finely, squeeze the juice. Wash salmon, dab dry. Cut into 8-12 thin slices. Sprinkle with 1-2 tbsp lemon juice. Heat 1 tbsp. fat in a large coated pan. Fry the salmon for 2-3 minutes on each side. Season with salt and pepper, keep warm
Heat 1 tablespoon of butter in the frying fat. Fry the rest of the onion in it. Briefly sauté the flour in it. Stir in 1/4 l water, milk and stock. Bring to the boil and simmer for about 5 minutes. Stir in cream and peel. Season to taste with salt, pepper and approx. 2 tbsp. lemon juice
Season spinach with salt, pepper and nutmeg. Serve with salmon and lemon sauce. Served with: wild rice mixture