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Onion Soup with Sage

  • Author: Tastebotanical
  • Prep Time: 10
  • Cook Time: 30
  • Total Time: 40 minutes
  • Yield: Serves 6
  • Category: Soup
  • Cuisine: English


This mild and velvety Onion Soup, gently flavoured with sage, is easy to make and is the perfect comfort food.


  • 75 g (3 oz) butter or oil
  • 5 large onions
  • 2 teaspoons chopped fresh sage or 1 teaspoon dried sage
  • Salt and Pepper
  • 50 g (2 oz) plain flour
  • 600 ml (1 pint) vegetable stock
  • 300 ml (Half a pint) of milk, vegetable stock or water


  1. Heat the butter or oil in a heavy-based pan. 
  2. Peel and slice the onions.  Add to the pan with the sage, season with salt and pepper and cook slowly for twenty minutes until they are soft and sweet. 
  3. Add the flour and cook for a further two minutes. 
  4. Add the 500 ml of vegetable stock and simmer for a further 10 minutes.
  5. Blend the soup until smooth using a hand blender or food processor.
  6. Add up to 300 ml of milk, vegetable stock or water to thin the soup to your desired consistency. 


Keywords: soup, onion soup, onion, vegetarian