Clean the spinach, rinse and drain. Peel and dice onion and garlic. Stone and dice chili pepper.
Rinse fish fillet, dab dry and chop into coarse pieces. Remove shrimp from shell, devein, rinse and dry.
Steam onions, chili pepper and garlic in half the amount of oil. Gradually add spinach and steam. Remove greens from saucepan.
Add remaining oil and heat. Brown fish and shrimp briefly in it, sprinkle with flour, sauté and extinguish with fish stock.
Add tomatoes without juice and let them boil once. Add greens and spinach again and sauté for 10 minutes. Season with salt and pepper.
Serve with long grain rice and beer.
Tip: Did you know that one bowl of spinach already covers the entire daily requirement of vitamin K and beta-carotene?