Bearnaice sauce
Preparation time-less than 30 mins
Cooking time-10 to 30 mins
Ingredients :
300g/10½oz butter
4 tbsp white wine vinegar
4 shallots, chopped
3 tbsp chopped fresh tarragon, plus
2 tbsp whole tarragon leavessalt and freshly ground black pepper
4 free-range egg yolks
1 tsp lemon juice
