Wash the fish fillet, pat dry and cut into bite-sized pieces. Sprinkle with lemon juice. Clean and wash spring onions and cut into wide rings. Wash and chop the tomatoes. Cut cucumbers into thick slices
Bake Rösti corners on a baking tray in a preheated oven (electric range: 225 °C/ convection oven: 200 °C/gas: level 4) for approx. 20 minutes until crispy, turning once
Heat the oil in a large frying pan. Fry the fish for 3-5 minutes. Season with salt and pepper. Take out
Fry vegetables in hot frying fat for about 5 minutes. Deglaze with 400 ml water and cream. Add stock and capers, bring to the boil. Stir in sauce thickener, simmer for about 1 minute. Add fish and heat up briefly. Season to taste and serve with the Rösti corners