Adapted from: https://www.arla.se/recept/enkel-bearnaisesas/
- 150 g butter
- 3x egg yolks
- 1 msk white wine vinegar
- 1 msk yellow onion (grated)
- 2 krm salt
- 0.5 krm white pepper
- 2 msk parsley
- 1.5 msk tarragon
- Grate the onion
- Separate the yolk from the egg white
- Mix egg yolks and vinegar in a bowl
- Melt butter gently to the point that it boils, but do not let it get colour
- Pour the hot butter in a thin stream into the bowl while mixing. Do not include the sediment at the bottom of the pot.
- Add grated onion, salt, white pepper, parsley and tarragon