A French onion cheeseburger

French onion cheeseburger

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(1 ratings)

Prep: 10 mins Cook: 25 mins

Easy

Serves 2

Try a sweet, cheesy take on a burger with this French onion cheeseburger made with gruyère, brioche bun and caramelised onions

Nutrition and extra info

Nutrition: Per serving

  • kcal700
  • fat41g
  • saturates18g
  • carbs51g
  • sugars17g
  • fibre5g
  • protein29g
  • salt2.4g
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Ingredients

  • 2 tbsp butter
    Butter

    Butter

    butt-err

    Butter is made when lactic-acid producing bacteria are added to cream and churned to make an…

  • 1 tbsp oil
  • 1 onion, thinly sliced
    Onion

    Onion

    un-yun

    Onions are endlessly versatile and an essential ingredient in countless recipes. Native to Asia…

  • ½ tbsp light brown soft sugar
  • 1 tsp cider vinegar
  • 1 tbsp wholegrain mustard
  • 2 beef burgers
  • 2 slices gruyère
    Gruyère

    Gruyère

    groo-ee-yeah

    Gruyère is an undoubted pinnacle of traditional Swiss cheese-making, a culinary masterpiece as…

  • 2 brioche buns
  • 2 handfuls watercress
    Watercress

    Watercress

    wort-er-cress

    With deep green leaves, and crisp, paler stems, watercress is related to mustard and is one of…

Method

  1. Put the butter and oil in a large non-stick frying pan. Add the onion and fry over a medium heat for 15 mins or until golden and sticky. Stir through the light brown soft sugar, cider vinegar and wholegrain mustard. Heat the grill to medium-high. Put the beef burgers on a baking sheet and grill on each side for 5-8 mins or until cooked through. For the last minute, top the burgers with the gruyère and grill until bubbling and melted. Lightly toast the brioche buns. Top the buns with the burgers, then the sticky onions and divide the watercress between each.

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