French Onion Soup


  • 100 g butter unsalted
  • 4 onions
  • 1 bay leaf
  • 1 tbsp plain flour
  • 1 Sprig Thyme
  • 100 ml brandy
  • 250 ml white wine
  • 500 ml beef stock
  • 1 demi baguette
  • 200 g Gruyere cheese
  • 4 cornichons
  • 1 tsp Dijon mustard
  • 2 tbsp olive oil
  • 2 tbsp cider vinegar
  • 1 bunch watercress
  • Get a large wide saucepan over a medium heat with the butter.
  • Peel and slice the onions as finely as possible.
  • Add to the hot pan along with a large pinch of salt and pepper and the bay leaf.
  • Stir well and Cook over a High heat for 5 Minutes until the onions start to release some juices.
  • Turn the heat down to low, cover and allow to cook for 10 Minutes, stirring occasionally.
  • Once the onions have released their juices and started to colour remove the lid and continue cooking very gently for 1 Hour, stirring occasionally until deep golden brown.
  • Tip in the flour and stir to combine.
  • Finely chop the thyme and add that along with the brandy.
  • Turn the heat back up to high and cook until the brandy has reduced by half.
  • Repeat with the white wine and then add the beef stock.
  • Simmer for 1 Hour over a low heat.
  • Taste and adjust the seasoning, allow the soup to cool and then refrigerate overnight.
  • Finely chop the cornichons and add to a large serving bowl.
  • Tip in the mustard, olive oil and cider vinegar.
  • Season with salt and pepper and then mix well with a fork.
  • Add the watercress and toss together.
  • Serve alongside the bubbling gratinated soups.
  • Preheat drawer 1 of the Air Fryer to Bake at 320°F and drawer 2 to Reheat at 285°F for 6 Minutes.
  • Cut 2x 2cm thick slices from the baguette.
  • Fill 2 ramekins with the chilled soup.
  • Once preheated, toast the baguette slices and reheat the soup in the ramekins at the same time.
  • Remove the toasted bread slices from the Air fryer and lay one slice of toast on top of each soup ramekin.
  • Generously grate over the gruyere cheese.
  • Replace the drawer into the Air fryer, set Air Fryer to Grill at 390°F for 3 Minutes or until the cheese is golden and bubbling.
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