Ingredients for 20 servings

servings

For a nice jar of sweet onion and blackcurrant cream jam:

  1. 500 g (17.75 oz) peeled onions (Roscoff if you can find them)
  2. 80 g (2.8 oz) butter
  3. 100 g (3.5 oz) caster sugar
  4. 5 cl (1.7 fl oz) blackcurrant liqueur 20°
  5. 15 cl (0.6 cup) red wine (Côtes du Rhône or Cahors for example)
  6. 7 cl (0.3 cup) good wine vinegar
  7. salt and freshly ground pepper