You might need to buy:
- tarragon vinegar
- parsley
- tarragon
- chervil
- peppercorns
- egg yolks
You might need to buy:
- fat
- Yolks of 4 eggs
- tarragon vinegar
- onion juice
- chopped tarragon
- chopped parsley
You might need to buy:
- fresh or 1 tsp. dried dill
- Garnish: fresh dill sprigs