Ingredients

  • 1 1/2 lbs. onions
  • Butter
  • 3 Tbsp. olive oil
  • 1/2 tsp. castor sugar
  • 2 1/2 pints beef stock (following)
  • French baguette, cut into rounds.
  • 4 Tbsp. brandy
  • 1/2 tsp. french mustard
  • Salt & freshly ground black pepper
  • 12 Tbsp. freshly grated Gruyere cheese

Method

  • 1. Peel & slice onions thinly.
  • 2. In lg soup pot, heat 3 Tbsp. butter w/oil & sugar. Add onion rings & cook over moderately low heat for 15-20 mins, stirring to brown evenly.
  • 3. When onions are soft & golden brown, stir in beef stock gradually. Bring to the boil; lower heat & simmer gently, covered, for 1 hour. Soup should have reduced to about 2 pints.
  • 4. 15 mins before soup is done, preheat oven to 450 degrees.
  • 5. Toast baguette rounds and spread w/butter.
  • 6. When soup is cooked, stir in brandy & French mustard; add salt & fresh ground pepper to taste.
  • 7. Put a toasted round in each of 6 ovenproof soup bowls. Ladle soup & onion rings over the top; when the toast floats up to the surface, heat 2 Tbsp. of Gruyere cheese on each round.
  • 8. Bake bowls of soup in the oven for 10-15 mins until cheese is golden brown & bubbling. Serve immediately.