White Onion Soup

This soup is based on the recipe for white onion sauce .


  • 2 medium onions
  • 30g butter
  • 1  tablespoons of plain flour
  • 250 & 250ml vegetable stock
  • 125ml full fat Greek yoghurt or soured cream
  • Salt & pepper


  • Chop the onion into pieces.
  • Cover with 250ml of vegetable stock.
  • Bring to the boil and then simmer till soft.
  • Add the butter.
  • Use a blender to purée the onions.
  • Mix the rest of the 125ml of stock with the flour.
  • Add the stock mixture to the onions and bring to the boil.
  • Simmer and stir till the mixture thickens.
  • Add the yoghurt or soured cream.
  • Season to taste.