Poached salmon with watercress mayonnaise

David Prior makes use of Irelands inspiring produce to create a decidedly gourmet poached salmon dish with a zingy homemade watercress mayonnaise.

Recipe «Poached salmon with watercress mayonnaise» presented in category Recipes / Fish, to prepare this dish you will need no more 45 minutes. To make this dish at home by prescription from the author Gomer would need: 1 carrot, chopped, 2 celery stalks, chopped, 1 onion, sliced, 1 small fennel bulb, sliced, 2 flat-leaf parsley stalks, bruised, plus 2 tbsp chopped leaves , 400ml white wine, Pared zest of 1 lemon, 1 tsp whole black peppercorns , 1kg piece skinless salmon fillet, 1kg chat potatoes, peeled, 20g unsalted butter, 3 egg yolks, 1 tbsp Dijon mustard, 1/2 tsp lemon zest, plus 1 tbsp lemon juice, 1 cup extra virgin olive oil, 2 cups picked watercress leaves, finely chopped, plus sprigs to serve.

Ingredients:

• 1 carrot, chopped 
• 2 celery stalks, chopped 
• 1 onion, sliced 
• 1 small fennel bulb, sliced 
• 2 flat-leaf parsley stalks, bruised, plus 2 tbsp chopped leaves 
• 400ml white wine 
• Pared zest of 1 lemon 
• 1 tsp whole black peppercorns 
• 1kg piece skinless salmon fillet 
• 1kg chat potatoes, peeled 
• 20g unsalted butter 
• 3 egg yolks 
• 1 tbsp Dijon mustard 
• 1/2 tsp lemon zest, plus 1 tbsp lemon juice 
• 1 cup extra virgin olive oil 
• 2 cups picked watercress leaves, finely chopped, plus sprigs to serve 

Instructions

1. Place carrot, celery, onion, fennel, parsley stalks, wine, lemon zest and peppercorns in a large saucepan or stockpot and cover with 3L water. Simmer over medium heat for 25 minutes. Line a sieve with muslin or a clean Chux, then strain stock in a deep, wide pan, discarding solids.
2. Return stock to medium-low heat and bring to a gentle simmer. Add the salmon and poach for 10 minutes. Remove from heat, cover and leave the salmon to cool completely in the liquid to finish cooking.
3. Meanwhile, for the mayonnaise, place the egg yolks, mustard and lemon zest and juice in a food processor and whiz to combine. With the motor running, add oil in a slow steady stream until thickened.
4. Add the chopped watercress and 2 tablespoons warm water, then whiz to combine. Season, then chill until needed.
5. Place the potatoes in a large saucepan of cold, salted water. Bring to the boil over medium-high heat, then cook for 10 minutes or until tender. Drain, then toss with parsley leaves and butter. Allow to cool slightly.
6. Using 2 spatulas, carefully remove the salmon from the poaching liquid. Break the salmon into large pieces and arrange on a serving platter with the potatoes and lightly dressed watercress sprigs. Drizzle with the watercress mayonnaise, season with sea salt and freshly ground black pepper and serve.