Zest and juice fresh lemons, ensuring no seeds or pulp remain, so your base stays smooth and flavorful.
Whisk eggs, egg yolks, and sugar together until well combined to create a stable, creamy foundation.
Cook the mixture gently over a double boiler, stirring constantly until it thickens enough to coat a spoon evenly.
Remove from heat and gradually stir in butter cubes until fully melted and incorporated for a silky finish.
Strain the curd into a clean container to remove any solids, ensuring a smooth and refined texture.
Cool at room temperature, then refrigerate until fully set and thickened before serving.