Use this recipe to make Lime Sable cookies.
Whisk together eggs, yolks, sugar, zest and juice, butter, and salt in a saucepan. Bring to a simmer, whisking constantly; cook until thickened, about 5 minutes. Strain through a fine sieve into a bowl. Press plastic wrap directly onto surface of curd; refrigerate at least 1 hour and up to 1 day.