The salmon fillet is first seasoned with a little salt, pepper and lemon juice and set aside. In the meantime, brown the diced onion and garlic in a little butter until golden brown. Then the fresh spinach is added. Fry the whole thing briefly. Season the spinach with a little salt, colored pepper and the remaining spices and deglaze with the cream. Now add half of the feta cheese to the spinach and the base for the salmon is ready and can be placed in a baking dish. Then comes the salmon. Crumble the rest of the feta cheese and sprinkle over it. Bake in the oven for 20 minutes at 200 ° C.