- 1 egg yolk
- 1 tbsp Dijon mustard
- 150ml olive oil (not extra virgin)
Probably the most widely-used oil in cooking, olive oil is pressed from fresh olives. It's…
- squeeze lemon juice
- ½ small bunch tarragon, chopped
A popular and versatile herb, tarragon has an intense flavour that's a unique mix of sweet…
Put the egg yolk and mustard in a bowl. With a hand whisk, keep whisking the mixture while gradually adding the olive oil. When all of the oil has been added, season to taste with the lemon juice and stir in the tarragon.