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screenshot 2025 07 08 at 12.32.20 pm

Crispy Trout Burger, Watercress, Fish Burger sauce

We spotted this mouthwatering burger recipe featured as the Recipe of the Month on the British Trout website and just had to share it! Packed with fresh flavours, it’s the perfect choice for those warm summer days when you’re craving something tasty and satisfying.

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Recipe by: https://britishtrout.co.uk/

Serves 2

Prep time : 20 mins

Cooking time : 10 minutes

Ingredients

For the “trout burger sauce”

  • 1 tablespoon mayo
  • 1 teaspoon fish sauce (squid brand is best, be very careful as it rather strong certainly no more than a teaspoon) – you could add a chopped anchovy or two if you don’t have any fish sauce
  • 1 teaspoon chopped capers
  • 1 teaspoon chopped gherkins
  • 1 teaspoon chopped shallot
  • 1 teaspoon chopped parsley
  • 1 dessertspoon ketchup
  • 2 teaspoons American mustard
  • Dash of Worcestershire sauce
  • 1 teaspoon of juice from the gherkin jar
  • A good Pinch of smoked paprika

Mix all the sauce ingredients together, check the seasoning and set aside.

For the trout burgers

  • 2 Trout fillet portions
  • 2 burger baps
  • 50g flour
  • 1 egg, beaten
  • 50g Panko breadcrumbs
  • 2 tablespoons light frying oil (either a non-virgin olive or sunflower)
  • A handful each of crisp fresh watercress

Method

  • Prepare the trout fillets by dusting the top (the non-skin side) with flour, then dip the floured side in the beaten egg and then in the panko crumbs, pop them crumb side down on a plate and season the skin side with salt and pepper, then dip the skin side in a little flour.
  • Place a warm plate close to hand.
  • Heat a frying pan on a moderate heat until it is hot, but not smoking. Add the oil.
  • Gently place the fish fillets, panko side down, in the pan and fry until the panko is crisp and brown (around 3 minutes), turn the heat down just a bit and gently turn them over so the floured skin is in contact with the pan, cook for around another 2 minutes, then remove them from the pan and place them Panko side up on the plate to rest for just a minute. At this point if you don’t like the skin, you can peel it off and discard it – if you are keeping the skin on (and I recommend you do as long as it has been scaled) place the trout on the plate panko side up – to help keep it super crispy.
  • Lightly toast the buns
  • Place a little sauce on the bottom of each bun, add the fish, then the watercress and drizzle over a little more of the fish burger sauce. Enjoy!
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Subscribe to our newsletter (don't worry, we don't send many emails) to receive our news and offers. We'll send you a voucher for 10% off your first online order.