French Onion Soup
Cook Time
2 Hours40 Minutes
Cook Time
2 Hours40 Minutes
For the Soup:
  • 100g butter unsalted
  • 4 onions
  • 1 bay leaf
  • 1tbsp plain flour
  • 1 Sprig Thyme
  • 100ml brandy
  • 250ml white wine
  • 500ml beef stock
For the Croutes:
  • 1 demi baguette
  • 200g Gruyere cheese
For the Watercress salad:
  • 4 cornichons
  • 1tsp Dijon mustard
  • 2tbsp olive oil
  • 2tbsp cider vinegar
  • 1 bunch watercress
For the Soup:
  1. Get a large wide saucepan over a medium heat with the butter.
  2. Peel and slice the onions as finely as possible
  3. Add to the hot pan along with a large pinch of salt and pepper and the bay leaf
  4. Stir well and cook over a high heat for 5 minutes until the onions start to release some juices
  5. Turn the heat down to low, cover and allow to cook for 10 minutes, stirring occasionally
  6. 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
  7. Tip in the flour and stir to combine
  8. Finely chop the thyme and add that along with the brandy
  9. Turn the heat back up to high and cook until the brandy has reduced by half
  10. Repeat with the white wine and then add the beef stock
  11. Simmer for 1 hour over a low heat
  12. Taste and adjust the seasoning, allow the soup to cool and then refrigerate overnight
For the Watercress salad:
  1. Finely chop the cornichons and add to a large serving bowl.
  2. Tip in the mustard, olive oil and cider vinegar
  3. Season with salt and pepper and then mix well with a fork
  4. Add the watercress and toss together
  5. Serve alongside the bubbling gratinated soups
For the Croutes:
  1. Preheat drawer 1 of the Air fryer to Bake at 320°F and drawer 2 to Reheat at 285°F for 6 minutes.
  2. Cut 2x 2cm thick slices from the baguette.
  3. Fill 2 ramekins with the chilled soup.
  4. Once preheated, toast the baguette slices and reheat the soup in the ramekins at the same time
  5. Remove the toasted bread slices from the Air fryer and lay one slice of toast on top of each soup ramekin
  6. Generously grate over the gruyere cheese
  7. 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