French onion cheeseburger

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Preparation and cooking time

  • 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

Nutrient Unit
kcal 700
fat 41g
saturates 18g
carbs 51g
sugars 17g
fibre 5g
protein 29g
salt 2.4g

Ingredients

  • 2 tbsp butter
  • 1 tbsp oil
  • 1 onion , thinly sliced
  • ½ tbsp light brown soft sugar
  • 1 tsp cider vinegar
  • 1 tbsp wholegrain mustard
  • 2 beef burgers
  • 2 slices gruyère
  • 2 brioche buns
  • 2 handfuls watercress

Method

  • STEP 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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