3 egg yolks
½ cup caster sugar
Zest & juice of 1 Seville orange
Zest & flesh of 1 orange
Zest & juice of
80g butter, diced, at room temperature
5 slices sourdough toast, to serve
Whisk eggs, yolks and sugar together in a bowl. Then whisk in juice, zest and a pinch of salt.
Place over boiling water in a ceramic bowl and whisk constantly until thick and mixture can coat the back of a spoon.
Remove from heat and whisk in butter, while still hot, until light and fluffy. Serve with lightly toasted sourdough bread.