Bring 3-4 l salt water (approx. 1 teaspoon salt per litre) to the boil. Meanwhile peel onion and garlic, dice finely. Heat 1 tsp. oil in a pot. Sauté onion and garlic in it. Add frozen spinach and 150 ml water, cover and cook for 12-14 minutes
Meanwhile cook the noodles in boiling water according to the instructions on the packet. Wash the lemon, dab dry and grate the peel. Squeeze the lemon. Stir the crème fraîche, lemon juice and zest into the spinach. Season with salt and pepper. Keep warm
Wash the salmon, dab dry and cut into cubes. Heat 1 tablespoon of oil in a frying pan. Fry the salmon in it all around for about 3 minutes. Season with salt and pepper
Drain the pasta, except for about 100 ml of pasta water, and add the spinach cream and salmon. Mix everything. Season to taste with salt and pepper, arrange