½ lemon, juice only
½ small banana shallot, finely chopped
3 tbsp tarragon vinegar
1 tbsp chopped tarragon leaves
sea salt and freshly ground black pepper
oil, for deep frying
1 tbsp olive oil
¼ tsp white peppercorns
125²µ/4½´Ç³ú butter
2 free-range egg yolks
1 x 200g/7oz good-quality fillet steak
100g/3½oz frozen chips
3 tbsp white wine