Method
- Bring wine, lemon juice and rind to the boil in a small fry pan. Simmer for 20-30 seconds until liquid is reduced by approximately half.
- Whisk egg yolk in a medium sized bowl for 1 minute. Gradually begin to pour reduced liquid into the egg until fulling mixed, pour the mixture back into the pot.
- Place pot over a low heat, whisk in chilled butter cubes, one at a time, until completely incorporated, do not boil. The sauce should be thick and creamy. Whisk in herbs and season with pepper. Serve sauce immediately poured over cooked chicken or seafood.