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Fish Burgers with a Spicy Shallot Mayonnaise in Homemade Brioche Buns

Ingredients

Fish burgers:

  • 2 shallots (finely chopped)
  • 4 cloves garlic (finely chopped)
  • 750g (1.65 lbs) fish (any)
  • 50g (6¾ tablespoons) breadcrumbs
  • 1 egg (beaten)
  • ½ teaspoon dried rosemary
  • 1 teaspoon chilli powder
  • 1 teaspoon sea salt
  • black pepper (to taste)

Sauce:

  • 80g (5½ tablespoons) mayonnaise
  • 1 shallot (finely chopped)
  • 1 teaspoon malt vinegar
  • ½ teaspoon chilli powder

Bread Buns (see notes)

    Instructions

    • Fry the garlic and shallots together until browned. Set to one side to cool.
    • In a food processor, mix the fish until it becomes almost like a paste. Add the cooled onions, breadcrumbs, egg, rosemary, chilli, sea salt and pepper. Mix until everything is nicely combined.
    • Taking a burger mould or any round cutter, fill it with the fish mixture (make them as small or big as you like) and press down. Place on a lined baking tray and pop in the fridge until you are ready for them.
    • Pre-heat the oven to 200ºC (400ºF). Using a tablespoon or so of olive oil, gently fry the burgers for around 5 minutes on each side. Remove from the pan and place back on the oven tray and cook for a further 5-10 minutes.
    • In the meantime, make the mayo: add the finely chopped shallot to a bowl with the mayo, vinegar and chilli powder. Mix thoroughly.
    • When ready to assemble, cut the bread bun open. Slather over some spicy mayo, add a few salad leaves and place the burger on top. Serve immediately. Enjoy!

    Notes

     
    Disclaimer: I always use metric measurements (grams and milliliters). I have converted these into imperial measurements, but as I have not tested these myself, results cannot be guaranteed.
    I used this recipe for my bread buns, but you can use any you like.