Put the prawns in a bowl, cover with cold water and defrost for 15-20 minutes. Meanwhile peel onion and garlic, finely dice onion, press garlic through a garlic press. Clean, wash and drain the spinach. Heat 20 g fat in a pot, fry onion and garlic in it. Add the spinach, cover and let it collapse and stew for about 5 minutes.
Season with salt, pepper and nutmeg. Pour prawns onto a sieve, drain and pat dry. Heat 20 g fat in a large frying pan and fry the prawns for approx. 5 minutes while turning. Season with salt and pepper. Heat 25 g fat in a saucepan, sauté the flour in it while stirring. Stir in tomato paste, add milk and cream while stirring. Bring sauce to the boil and simmer for about 3 minutes while stirring. Season to taste with salt, cayenne pepper, Worchester sauce and lemon juice. Divide the spinach into 4 greased, ovenproof dishes. Arrange prawns and sauce on top and grill under the preheated grill for about 5 minutes.
Stir in tomato paste, add milk and cream while stirring. Bring sauce to the boil and simmer for about 3 minutes while stirring. Season to taste with salt, cayenne pepper, Worchester sauce and lemon juice. Divide the spinach into 4 greased, ovenproof dishes. Arrange prawns and sauce on top and grill under the preheated grill for about 5 minutes. Serve garnished with lemon. Delicious with baguette