Sauce Pauvre homme (Poor Man's Sauce)

Ingredients

• Butter
• 2 large onions
• 2 and a half décilitres white wine and vinegar
• 3 décilitres ordinary consommé
• 30 grammes brown roux
• 1 small spoonful capers
• 1 half-spoonful parsley
• A point of Cayenne

Instructions

1. Fry the 2 large shredded onions in butter and colour them lightly.
2. Moisten with 2 and a half décilitres of white wine and vinegar in equal parts, and reduce by two thirds.
3. Add 3 décilitres of ordinary consommé.
4. Make the liaison with 30 grammes of brown roux.
5. Cook gently for 7 to 8 minutes.
6. At the moment of serving, finish with 1 small spoonful of capers, 1 half-spoonful of chopped and blanched parsley, and a point of Cayenne.