Haddock with water

8 ounces haddock (or other white fish) 1/8 small red cabbage , about 1/2 inch thick slice 1 slice Spanish onion , about 1/2 inch thick 1 slice large tomato ,[...]

500 g fresh spinach , washed 500 g haddock fillets , skinned 2 tablespoons olive oil 1 onion , chopped 2 celery ribs , chopped 1 green pepper , seeded and[...]