Haddock with potatoes

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[...]

500 g potatoes 300 g haddock 300 g smoked haddock 300 ml milk 1 lemon 4 tablespoons parsley 4 spring onions 4 tablespoons capers 2 eggs 15 g butter 150 g[...]